Single-Season Leaders & Records for Range Factor/9Inn as P
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| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
|---|---|---|---|---|---|
| 1. | Chet Brewer (25) | 6.023 | 1932 | 43.1 | R |
| 2. | Ed Walsh+ (26) | 5.588 | 1907 | 422.0 | R |
| 3. | Harry Howell (28) | 5.545 | 1905 | 323.0 | R |
| Floyd Kranson (26) | 5.545 | 1940 | 37.1 | R | |
| 5. | Theolic Smith (26) | 5.478 | 1939 | 69.0 | R |
| 6. | David Gómez (25) | 5.174 | 1927 | 95.2 | R |
| 7. | Harry Howell (27) | 5.070 | 1904 | 300.0 | R |
| 8. | Felix Evans (31) | 5.049 | 1942 | 41.0 | R |
| 9. | Ed Rile (25) | 5.030 | 1925 | 87.2 | R |
| 10. | Laymon Yokely (22) | 4.979 | 1928 | 175.1 | R |
| 11. | Lucas Boada (28) | 4.967 | 1921 | 141.1 | R |
| 12. | Jim LaMarque (21) | 4.954 | 1942 | 36.1 | L |
| 13. | Tom Williams (23) | 4.926 | 1920 | 148.0 | R |
| 14. | Ed Rile (24) | 4.881 | 1924 | 59.0 | R |
| 15. | Homer Curry (27) | 4.862 | 1932 | 87.0 | R |
| 16. | Nick Altrock (30) | 4.836 | 1907 | 214.0 | L |
| 17. | Script Lee (28) | 4.813 | 1927 | 76.2 | R |
| 18. | Bill Drake (26) | 4.792 | 1921 | 195.1 | R |
| Script Lee (30) | 4.792 | 1929 | 77.0 | R | |
| 20. | Phil Cockrell (39) | 4.790 | 1934 | 41.1 | R |
| 21. | Phil Cockrell (28) | 4.783 | 1923 | 116.2 | R |
| 22. | Ed Willett (26) | 4.781 | 1910 | 224.0 | R |
| 23. | Carl Mays (24) | 4.776 | 1916 | 245.0 | R |
| 24. | Frank McAllister (23) | 4.765 | 1941 | 51.0 | R |
| 25. | Guy Hecker (26) | 4.760 | 1882 | 104.0 | R |
| 26. | Harry Howell (30) | 4.756 | 1907 | 316.0 | R |
| 27. | Ray Robinson | 4.754 | 1942 | 47.1 | L |
| 28. | Elmer Stricklett (28) | 4.747 | 1905 | 237.0 | R |
| 29. | Cool Papa Bell+ (20) | 4.744 | 1923 | 153.2 | L |
| 30. | Eddie Miller (27) | 4.714 | 1928 | 84.0 | R |
| 31. | Ray Brown+ (25) | 4.706 | 1933 | 72.2 | R |
| 32. | Frank Smith (30) | 4.701 | 1910 | 157.0 | R |
| 33. | Antonio Ruiz (33) | 4.689 | 1944 | 63.1 | R |
| 34. | George Britt (25) | 4.669 | 1921 | 133.0 | R |
| 35. | Rube Curry (25) | 4.650 | 1924 | 60.0 | R |
| 36. | Willie Hudson (22) | 4.648 | 1940 | 40.2 | L |
| 37. | Elmer Stricklett (29) | 4.623 | 1906 | 292.0 | R |
| 38. | Harry Howell (29) | 4.614 | 1906 | 277.0 | R |
| 39. | Will White (27) | 4.613 | 1882 | 480.0 | R |
| 40. | Chet Brewer (23) | 4.606 | 1930 | 156.1 | R |
| 41. | Nick Altrock (27) | 4.603 | 1904 | 307.0 | L |
| 42. | Edsall Walker (26) | 4.601 | 1937 | 74.1 | L |
| 43. | Dizzy Dismukes (30) | 4.587 | 1920 | 137.1 | R |
| John Finner (34) | 4.587 | 1920 | 137.1 | R | |
| Juanelo Mirabal (22) | 4.587 | 1923 | 68.2 | R | |
| 46. | Barney Pelty (29) | 4.582 | 1910 | 165.0 | R |
| 47. | Willie Sudhoff (29) | 4.581 | 1904 | 222.0 | R |
| John Taylor | 4.581 | 1924 | 129.2 | R | |
| 49. | Wish Egan (24) | 4.579 | 1905 | 171.0 | R |
| 50. | Floyd Kranson (23) | 4.574 | 1937 | 80.2 | R |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| 51. | Nick Altrock (28) | 4.557 | 1905 | 316.0 | L |
| 52. | Jean Dubuc (24) | 4.556 | 1913 | 243.0 | R |
| 53. | John Taylor | 4.549 | 1925 | 61.1 | R |
| 54. | Cool Papa Bell+ (19) | 4.540 | 1922 | 113.0 | L |
| 55. | Ed Walsh+ (28) | 4.539 | 1909 | 230.0 | R |
| 56. | Harry Arundel (27) | 4.538 | 1882 | 119.0 | R |
| Jack Quinn (26) | 4.538 | 1910 | 236.0 | R | |
| 58. | Ed Walsh+ (30) | 4.537 | 1911 | 369.0 | R |
| 59. | Nip Winters (33) | 4.536 | 1932 | 41.2 | L |
| 60. | Gene Packard (28) | 4.529 | 1916 | 155.0 | L |
| 61. | Wilcy Moore (30) | 4.521 | 1927 | 213.0 | R |
| 62. | Tony Mullane (23) | 4.520 | 1882 | 460.0 | R |
| 63. | Fritz Coumbe (28) | 4.500 | 1918 | 150.0 | L |
| George Mullin (23) | 4.500 | 1904 | 382.0 | R | |
| 65. | Ed Walsh+ (27) | 4.481 | 1908 | 464.0 | R |
| 66. | Andy Cooper+ (27) | 4.470 | 1924 | 151.0 | L |
| 67. | Ed Walsh+ (25) | 4.468 | 1906 | 278.0 | R |
| 68. | Gentry Jessup (32) | 4.459 | 1947 | 36.1 | R |
| 69. | Frank Smith (29) | 4.438 | 1909 | 365.0 | R |
| 70. | Harry Howell (25) | 4.432 | 1902 | 199.0 | R |
| 71. | William Bell (26) | 4.417 | 1924 | 108.0 | R |
| 72. | Gene Krapp (28) | 4.403 | 1915 | 231.0 | R |
| 73. | Scott Perry (28) | 4.402 | 1919 | 184.0 | R |
| 74. | Elmer Stricklett (30) | 4.383 | 1907 | 230.0 | R |
| 75. | George Harney (34) | 4.380 | 1924 | 125.1 | R |
| 76. | Doc White (29) | 4.378 | 1908 | 296.0 | L |
| 77. | Gene Packard (27) | 4.372 | 1915 | 282.0 | L |
| 78. | Joe Harris (24) | 4.366 | 1906 | 235.0 | R |
| 79. | Carl Mays (25) | 4.360 | 1917 | 289.0 | R |
| 80. | Addie Joss+ (27) | 4.354 | 1907 | 339.0 | R |
| 81. | Gene Packard (26) | 4.351 | 1914 | 302.0 | L |
| 82. | John Williams (21) | 4.347 | 1926 | 78.2 | R |
| 83. | Ed Willett (24) | 4.340 | 1908 | 197.0 | R |
| 84. | Harry Gumbert (27) | 4.320 | 1937 | 200.0 | R |
| 85. | Ray Brown+ (28) | 4.316 | 1936 | 98.0 | R |
| 86. | Frank Owen (24) | 4.314 | 1904 | 315.0 | R |
| Henry Wright (26) | 4.314 | 1933 | 56.1 | R | |
| 88. | Joe Lake (30) | 4.312 | 1911 | 215.0 | R |
| 89. | Dizzy Dismukes (34) | 4.310 | 1924 | 71.0 | R |
| 90. | Lucius Hampton (27) | 4.302 | 1924 | 98.1 | R |
| 91. | Ernie Shore (25) | 4.301 | 1916 | 226.0 | R |
| 92. | Hooks Dauss (25) | 4.297 | 1915 | 310.0 | R |
| 93. | Rube Curry (24) | 4.296 | 1923 | 213.2 | R |
| 94. | Floyd Kranson (24) | 4.295 | 1938 | 58.2 | R |
| Larry Pape (25) | 4.295 | 1911 | 176.0 | R | |
| 96. | King Brockett (28) | 4.288 | 1909 | 170.0 | R |
| 97. | Kevin Brown (30) | 4.282 | 1995 | 172.1 | R |
| 98. | Willie Sudhoff (30) | 4.279 | 1905 | 244.0 | R |
| 99. | Verdell Mathis (27) | 4.277 | 1941 | 33.2 | L |
| 100. | Ed Killian (31) | 4.276 | 1908 | 181.0 | L |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| 101. | George McConnell (34) | 4.271 | 1912 | 177.0 | R |
| 102. | Jimmy Callahan (27) | 4.270 | 1901 | 215.0 | R |
| 103. | Bullet Rogan+ (30) | 4.269 | 1924 | 175.0 | R |
| 104. | Frank Corridon (23) | 4.268 | 1904 | 194.0 | R |
| 105. | Chet Brewer (22) | 4.263 | 1929 | 139.1 | R |
| 106. | Carl Mays (32) | 4.261 | 1924 | 226.0 | R |
| 107. | Dicta Johnson (36) | 4.260 | 1923 | 175.4 | R |
| Carl Mays (34) | 4.260 | 1926 | 281.0 | R | |
| 109. | Frank Owen (23) | 4.257 | 1903 | 167.0 | R |
| Ed Walsh+ (29) | 4.257 | 1910 | 370.0 | R | |
| 111. | Weldon Henley (24) | 4.255 | 1905 | 184.0 | R |
| 112. | Malvin Powell (25) | 4.253 | 1933 | 48.2 | R |
| 113. | Vibert Clarke (18) | 4.250 | 1946 | 36.0 | L |
| 114. | Luther McDonald (25) | 4.248 | 1931 | 95.1 | R |
| 115. | Frank Smith (31) | 4.247 | 1911 | 178.0 | R |
| 116. | Joe Yeager (26) | 4.243 | 1902 | 140.0 | R |
| 117. | Carl Mays (26) | 4.239 | 1918 | 293.0 | R |
| 118. | George Britt (24) | 4.237 | 1920 | 91.1 | R |
| 119. | Jean Dubuc (27) | 4.235 | 1916 | 170.0 | R |
| 120. | Slim Branham (22) | 4.225 | 1922 | 136.1 | R |
| 121. | John Menefee (35) | 4.224 | 1903 | 147.0 | R |
| 122. | Ned Garvin (30) | 4.222 | 1904 | 194.0 | R |
| 123. | Dave Brown (26) | 4.219 | 1923 | 74.2 | L |
| Pedro San (33) | 4.219 | 1928 | 64.0 | R | |
| 125. | Ed Willett (30) | 4.217 | 1914 | 175.0 | R |
| 126. | Jack Matchett (35) | 4.207 | 1943 | 92.0 | R |
| 127. | Doc White (28) | 4.206 | 1907 | 291.0 | L |
| 128. | Patsy Flaherty (28) | 4.200 | 1904 | 285.0 | L |
| 129. | Willie Gisentaner (28) | 4.186 | 1928 | 43.0 | L |
| 130. | Connie Rector (31) | 4.181 | 1923 | 51.2 | R |
| 131. | Babe Ruth+ (23) | 4.175 | 1918 | 166.0 | L |
| 132. | Ed Karger (23) | 4.173 | 1906 | 220.0 | L |
| 133. | Wade Johnston (24) | 4.172 | 1922 | 77.2 | L |
| 134. | Dan Bankhead (20) | 4.169 | 1940 | 45.1 | R |
| 135. | Charlie Bartson (25) | 4.165 | 1890 | 188.0 | |
| 136. | Ed Doheny (29) | 4.157 | 1903 | 223.0 | L |
| 137. | George McConnell (35) | 4.150 | 1913 | 180.0 | R |
| 138. | Leo Birdine (34) | 4.149 | 1929 | 145.1 | R |
| Tom Rogers (27) | 4.149 | 1919 | 141.0 | R | |
| 140. | Chick Fraser (34) | 4.141 | 1908 | 163.0 | R |
| 141. | Barney Pelty (25) | 4.138 | 1906 | 261.0 | R |
| 142. | Theolic Smith (30) | 4.133 | 1943 | 98.0 | R |
| 143. | Red Donahue (29) | 4.130 | 1902 | 316.0 | R |
| 144. | Clarence Currie (24) | 4.127 | 1903 | 181.0 | R |
| 145. | Paul Carter (35) | 4.121 | 1935 | 63.1 | R |
| 146. | Percy Bailey (29) | 4.119 | 1934 | 39.1 | R |
| Cliff Bell (28) | 4.119 | 1925 | 118.0 | R | |
| 148. | Barney Pelty (28) | 4.116 | 1909 | 199.0 | R |
| Johnny Williams (27) | 4.116 | 1945 | 54.2 | R | |
| 150. | Fred Mitchell (26) | 4.114 | 1904 | 175.0 | R |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| 151. | Hooks Wiltse (25) | 4.112 | 1905 | 197.0 | L |
| 152. | Harry Kenyon (32) | 4.106 | 1926 | 87.2 | R |
| 153. | Frank Corridon (28) | 4.105 | 1909 | 171.0 | R |
| Bill Harvey (34) | 4.105 | 1942 | 57.0 | L | |
| 155. | Wayne Carr (23) | 4.102 | 1920 | 120.2 | R |
| 156. | Tom Williams (27) | 4.096 | 1924 | 118.2 | R |
| 157. | George Mullin (22) | 4.093 | 1903 | 321.0 | R |
| 158. | Eddie Rommel (22) | 4.086 | 1920 | 174.0 | R |
| 159. | Cheo Hernández (26) | 4.082 | 1920 | 154.1 | R |
| 160. | William Bell (30) | 4.080 | 1928 | 150.0 | R |
| 161. | Joe Boehling (25) | 4.075 | 1916 | 201.0 | L |
| 162. | Ed Rile (22) | 4.073 | 1922 | 119.1 | R |
| 163. | Bert Husting (23) | 4.065 | 1901 | 217.0 | R |
| 164. | Joe Lake (28) | 4.060 | 1909 | 215.0 | R |
| 165. | Addie Joss+ (25) | 4.059 | 1905 | 286.0 | R |
| 166. | Red Ames (26) | 4.057 | 1909 | 244.0 | R |
| Rube Benton (30) | 4.057 | 1920 | 193.0 | L | |
| Rube Curry (22) | 4.057 | 1921 | 193.0 | R | |
| 169. | Gene Krapp (27) | 4.055 | 1914 | 253.0 | R |
| Frank Owen (26) | 4.055 | 1906 | 293.0 | R | |
| 171. | Jimmy Callahan (28) | 4.053 | 1902 | 282.0 | R |
| 172. | Bill Doak (27) | 4.052 | 1918 | 211.0 | R |
| 173. | Isidro Fabré (29) | 4.050 | 1924 | 60.0 | R |
| Zeke Wilson (26) | 4.050 | 1896 | 240.0 | R | |
| 175. | Christy Mathewson+ (30) | 4.046 | 1911 | 307.0 | R |
| 176. | Phil Cockrell (31) | 4.040 | 1926 | 133.2 | R |
| 177. | Hooks Dauss (30) | 4.033 | 1920 | 270.0 | R |
| 178. | Ed Scott (29) | 4.029 | 1900 | 315.0 | R |
| 179. | Doc White (31) | 4.025 | 1910 | 237.0 | L |
| 180. | Hulon Stamps (25) | 4.024 | 1924 | 69.1 | L |
| 181. | George Mitchell (30) | 4.021 | 1930 | 109.2 | R |
| 182. | Eddie Dixon (22) | 4.014 | 1938 | 98.2 | R |
| 183. | Sherry Smith (30) | 4.011 | 1921 | 175.0 | L |
| 184. | Harry Coveleski (28) | 4.010 | 1914 | 303.0 | L |
| 185. | Burleigh Grimes+ (31) | 4.008 | 1925 | 247.0 | R |
| George Jefferson (22) | 4.008 | 1945 | 42.2 | R | |
| 187. | Bullet Joe Bush (20) | 4.005 | 1913 | 200.0 | R |
| 188. | Ted Wingfield (25) | 4.004 | 1925 | 254.0 | R |
| 189. | Nick Altrock (29) | 4.000 | 1906 | 288.0 | L |
| Bill McCall (33) | 4.000 | 1931 | 54.0 | L | |
| Roy Wilkinson (28) | 4.000 | 1921 | 198.0 | R | |
| Vic Willis+ (29) | 4.000 | 1905 | 342.0 | R | |
| 193. | Eddie Cicotte (29) | 3.996 | 1913 | 268.0 | R |
| Slim Jones (22) | 3.996 | 1935 | 74.1 | L | |
| 195. | Steel Arm Tyler (22) | 3.992 | 1928 | 85.2 | R |
| 196. | Bert Husting (24) | 3.991 | 1902 | 212.0 | R |
| 197. | Weldon Henley (23) | 3.983 | 1904 | 296.0 | R |
| George Mullin (24) | 3.983 | 1905 | 348.0 | R | |
| 199. | Cy Falkenberg (29) | 3.982 | 1909 | 165.0 | R |
| 200. | Harry Howell (26) | 3.981 | 1903 | 156.0 | R |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| Chappie McFarland (29) | 3.981 | 1904 | 269.0 | R | |
| 202. | Ray Brown+ (24) | 3.980 | 1932 | 115.1 | R |
| Cliff Curtis (28) | 3.980 | 1910 | 251.0 | R | |
| Elbert Williams (24) | 3.980 | 1932 | 115.1 | R | |
| 205. | Andy Cooper+ (26) | 3.976 | 1923 | 183.1 | L |
| 206. | Al Jones | 3.971 | 1944 | 34.0 | R |
| 207. | Greg Maddux+ (30) | 3.967 | 1996 | 245.0 | R |
| 208. | Chet Brewer (21) | 3.964 | 1928 | 120.1 | R |
| Nick Cullop (27) | 3.964 | 1915 | 302.0 | L | |
| 210. | Ed Willett (28) | 3.961 | 1912 | 284.0 | R |
| 211. | Willie Gisentaner (21) | 3.954 | 1921 | 79.2 | L |
| 212. | Smoky Joe Wood (22) | 3.951 | 1912 | 344.0 | R |
| 213. | Billy Campbell (34) | 3.950 | 1908 | 221.0 | L |
| 214. | Eddie Cicotte (30) | 3.948 | 1914 | 269.0 | R |
| Al Orth (31) | 3.948 | 1904 | 212.0 | R | |
| 216. | Bill Foster+ (30) | 3.947 | 1934 | 57.0 | L |
| 217. | Bill Doak (28) | 3.946 | 1919 | 203.0 | R |
| 218. | Rube Curry (26) | 3.943 | 1925 | 134.2 | R |
| 219. | Mysterious Walker (30) | 3.941 | 1914 | 169.0 | R |
| 220. | Kenny Rogers (43) | 3.939 | 2008 | 173.2 | L |
| 221. | Frank Corridon (27) | 3.938 | 1908 | 208.0 | R |
| Porter Moss (29) | 3.938 | 1939 | 32.0 | R | |
| 223. | José Figueroa (26) | 3.934 | 1940 | 50.1 | R |
| 224. | Ray Fisher (31) | 3.931 | 1919 | 174.0 | R |
| 225. | Logan Hensley (25) | 3.928 | 1925 | 162.2 | R |
| 226. | Rube Chambers (21) | 3.923 | 1925 | 78.0 | L |
| 227. | Jing Johnson (24) | 3.921 | 1919 | 202.0 | R |
| 228. | Jesse Barnes (23) | 3.920 | 1916 | 163.0 | R |
| 229. | Cornelius Cook (27) | 3.919 | 1937 | 41.1 | L |
| Steel Arm Tyler (23) | 3.919 | 1929 | 103.1 | R | |
| 231. | Patsy Flaherty (27) | 3.918 | 1903 | 294.0 | L |
| 232. | Pete Henning (27) | 3.913 | 1915 | 207.0 | R |
| Charley Wilson (27) | 3.913 | 1922 | 69.0 | ||
| 234. | George Harney (36) | 3.909 | 1926 | 149.2 | R |
| 235. | Leroy Matlock (27) | 3.908 | 1934 | 76.0 | L |
| Bullet Rogan+ (27) | 3.908 | 1921 | 202.2 | R | |
| 237. | Dizzy Dismukes (33) | 3.903 | 1923 | 113.0 | R |
| 238. | Rip Collins (31) | 3.902 | 1927 | 173.0 | R |
| Al Maul (24) | 3.902 | 1890 | 256.0 | R | |
| 240. | Jean Dubuc (25) | 3.897 | 1914 | 224.0 | R |
| 241. | Bill Burns (28) | 3.896 | 1908 | 164.0 | L |
| 242. | Cy Falkenberg (30) | 3.887 | 1910 | 257.0 | R |
| 243. | Vic Willis+ (30) | 3.885 | 1906 | 322.0 | R |
| 244. | Bill Byrd (25) | 3.884 | 1933 | 95.0 | R |
| Rube Curry (23) | 3.884 | 1922 | 190.0 | R | |
| 246. | Bill Drake (32) | 3.880 | 1927 | 111.1 | R |
| 247. | Tom Sheehan (22) | 3.878 | 1916 | 188.0 | R |
| Johnny Williams (29) | 3.878 | 1947 | 60.1 | R | |
| 249. | Mel Harder (23) | 3.877 | 1933 | 253.0 | R |
| 250. | Bucky Walters (27) | 3.872 | 1936 | 258.0 | R |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| 251. | Eddie Miller (23) | 3.868 | 1924 | 114.0 | R |
| 252. | Rube Bressler (23) | 3.867 | 1918 | 128.0 | L |
| Christy Mathewson+ (27) | 3.867 | 1908 | 391.0 | R | |
| 254. | George Suggs (31) | 3.865 | 1914 | 319.0 | R |
| 255. | Doc White (27) | 3.863 | 1906 | 219.0 | L |
| 256. | Bill Barnes (21) | 3.857 | 1942 | 67.2 | R |
| Joe Benz (32) | 3.857 | 1918 | 154.0 | R | |
| Willie Cornelius (32) | 3.857 | 1939 | 100.1 | R | |
| Pud Galvin+ (33) | 3.857 | 1890 | 217.0 | R | |
| Bob Griffith (22) | 3.857 | 1935 | 67.2 | R | |
| Gentry Jessup (29) | 3.857 | 1944 | 93.1 | R | |
| Frank Stevens | 3.857 | 1928 | 81.2 | L | |
| 263. | Eddie Cicotte (26) | 3.852 | 1910 | 250.0 | R |
| 264. | Bill Phillips (31) | 3.851 | 1900 | 208.0 | R |
| 265. | Bill Doak (24) | 3.848 | 1915 | 276.0 | R |
| Addie Joss+ (22) | 3.848 | 1902 | 269.0 | R | |
| 267. | Russ Christopher (27) | 3.846 | 1945 | 227.0 | R |
| 268. | Emery Adams (29) | 3.842 | 1941 | 86.2 | R |
| Rube Curry (29) | 3.842 | 1928 | 86.2 | R | |
| 270. | Bill Gatewood (38) | 3.836 | 1920 | 122.0 | R |
| 271. | Eddie Miller (24) | 3.835 | 1925 | 115.0 | R |
| 272. | Vic Willis+ (28) | 3.831 | 1904 | 350.0 | R |
| 273. | Joe Boehling (22) | 3.830 | 1913 | 235.0 | L |
| 274. | Doc White (25) | 3.829 | 1904 | 228.0 | L |
| 275. | Beany Jacobson (23) | 3.827 | 1904 | 254.0 | L |
| 276. | Wyatt Lee (23) | 3.826 | 1903 | 167.0 | L |
| Ernie Shore (24) | 3.826 | 1915 | 247.0 | R | |
| 278. | Johnny Gorsica (25) | 3.825 | 1940 | 160.0 | R |
| Carl Mays (30) | 3.825 | 1922 | 240.0 | R | |
| 280. | Barney Pelty (26) | 3.824 | 1907 | 273.0 | R |
| 281. | Ray Fisher (23) | 3.820 | 1911 | 172.0 | R |
| 282. | Russ Christopher (24) | 3.818 | 1942 | 165.0 | R |
| 283. | Andy Cooper+ (33) | 3.815 | 1930 | 122.2 | L |
| 284. | Homer Curry (25) | 3.812 | 1930 | 85.0 | R |
| Dolly Gray (31) | 3.812 | 1910 | 229.0 | L | |
| 286. | Gene Krapp (24) | 3.811 | 1911 | 222.0 | R |
| 287. | Curt Davis (30) | 3.810 | 1934 | 274.0 | R |
| 288. | Rube Curry (21) | 3.809 | 1920 | 186.2 | R |
| 289. | Frank Corridon (29) | 3.808 | 1910 | 156.0 | R |
| 290. | Rube Curry (28) | 3.807 | 1927 | 101.2 | R |
| 291. | Ernie Shore (26) | 3.806 | 1917 | 227.0 | R |
| 292. | Eddie Rommel (25) | 3.805 | 1923 | 298.0 | R |
| 293. | George Mullin (27) | 3.804 | 1908 | 291.0 | R |
| 294. | Phil Douglas (29) | 3.803 | 1919 | 213.0 | R |
| Addie Joss+ (23) | 3.803 | 1903 | 284.0 | R | |
| Neck Stanley (39) | 3.803 | 1944 | 47.1 | L | |
| 297. | Bob Rhoads (28) | 3.800 | 1908 | 270.0 | R |
| 298. | Bud Barbee (33) | 3.799 | 1947 | 66.1 | R |
| 299. | Addie Joss+ (26) | 3.798 | 1906 | 282.0 | R |
| 300. | Howard Ehmke (26) | 3.795 | 1920 | 268.0 | R |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| 301. | Jimmy Oldham (29) | 3.793 | 1922 | 80.2 | R |
| 302. | Bill Nuttall (26) | 3.791 | 1925 | 78.1 | R |
| 303. | Eugene Bremer (20) | 3.789 | 1937 | 57.0 | R |
| 304. | Eddie Rommel (26) | 3.788 | 1924 | 278.0 | R |
| 305. | José Leblanc (26) | 3.787 | 1920 | 128.1 | R |
| 306. | Chet Brewer (19) | 3.783 | 1926 | 121.1 | R |
| Bill Duggleby (27) | 3.783 | 1901 | 276.0 | R | |
| Jim Willis (25) | 3.783 | 1931 | 69.0 | R | |
| 309. | Carroll Brown (25) | 3.782 | 1914 | 188.0 | R |
| 310. | Pedro Dibut (30) | 3.780 | 1923 | 116.2 | R |
| 311. | Chick Fraser (23) | 3.776 | 1897 | 286.0 | R |
| 312. | Walt Woods (24) | 3.774 | 1899 | 186.0 | R |
| 313. | Barney Morris (22) | 3.773 | 1932 | 121.2 | R |
| Hilton Smith+ (31) | 3.773 | 1938 | 121.2 | R | |
| 315. | Frank Owen (25) | 3.772 | 1905 | 334.0 | R |
| 316. | Sam Cooper (28) | 3.770 | 1926 | 88.1 | R |
| Robert Poindexter (29) | 3.770 | 1927 | 162.1 | R | |
| 318. | Fred Glade (29) | 3.764 | 1905 | 275.0 | R |
| Christy Mathewson+ (28) | 3.764 | 1909 | 275.0 | R | |
| Willie Sudhoff (27) | 3.764 | 1902 | 220.0 | R | |
| 321. | Roosevelt Davis (22) | 3.762 | 1927 | 162.2 | R |
| 322. | Bullet Rogan+ (28) | 3.761 | 1922 | 186.2 | R |
| 323. | Al Orth (34) | 3.759 | 1907 | 249.0 | R |
| 324. | Jack Chesbro+ (30) | 3.758 | 1904 | 455.0 | R |
| 325. | Ed Reulbach (23) | 3.757 | 1906 | 218.0 | R |
| 326. | Ed Willett (29) | 3.756 | 1913 | 242.0 | R |
| 327. | Cy Seymour (24) | 3.755 | 1897 | 278.0 | L |
| Cy Young+ (43) | 3.755 | 1910 | 163.0 | R | |
| Zip Zabel (24) | 3.755 | 1915 | 163.0 | R | |
| 330. | George Van Haltren (24) | 3.753 | 1890 | 223.0 | L |
| 331. | Vibert Clarke (19) | 3.750 | 1947 | 36.0 | L |
| Bert Cunningham (33) | 3.750 | 1899 | 324.0 | R | |
| Charlie Henry (25) | 3.750 | 1925 | 84.0 | ||
| 334. | Bill Bernhard (30) | 3.747 | 1901 | 257.0 | R |
| 335. | Red Ames (34) | 3.746 | 1917 | 209.0 | R |
| Jake Weimer (33) | 3.746 | 1907 | 209.0 | L | |
| 337. | Ned Garvin (29) | 3.745 | 1903 | 298.0 | R |
| Frank Smith (27) | 3.745 | 1907 | 310.0 | R | |
| Frank Smith (28) | 3.745 | 1908 | 298.0 | R | |
| 340. | Stan Coveleski+ (31) | 3.743 | 1921 | 315.0 | R |
| 341. | Red Ames (27) | 3.742 | 1910 | 190.0 | R |
| Nick Strincevich (29) | 3.742 | 1944 | 190.0 | R | |
| 343. | Jesse Houston (28) | 3.736 | 1938 | 53.0 | R |
| 344. | George Mullin (26) | 3.731 | 1907 | 357.0 | R |
| 345. | Fred Newman (23) | 3.729 | 1965 | 260.2 | R |
| 346. | Burt Keeley (28) | 3.728 | 1908 | 169.0 | R |
| Henry Wright (25) | 3.728 | 1932 | 89.1 | R | |
| 348. | Hooks Dauss (29) | 3.727 | 1919 | 256.0 | R |
| 349. | Ben Cantwell (27) | 3.726 | 1929 | 157.0 | R |
| Phil Douglas (28) | 3.726 | 1918 | 157.0 | R | |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| 351. | Bob Groom (24) | 3.724 | 1909 | 261.0 | R |
| Jesse Houston (29) | 3.724 | 1939 | 77.1 | R | |
| Doc Sykes (32) | 3.724 | 1924 | 67.2 | R | |
| Lefty Tyler (23) | 3.724 | 1913 | 290.0 | L | |
| 355. | Lucas Boada (29) | 3.722 | 1922 | 142.2 | R |
| Bill James (28) | 3.722 | 1915 | 237.0 | R | |
| 357. | Joe Benz (28) | 3.721 | 1914 | 283.0 | R |
| 358. | Barney Pelty (24) | 3.718 | 1905 | 259.0 | R |
| 359. | Roy Patterson (26) | 3.717 | 1903 | 293.0 | R |
| Jim Scott (22) | 3.717 | 1910 | 230.0 | R | |
| 361. | William Bell (29) | 3.715 | 1927 | 162.1 | R |
| 362. | Frank Corridon (26) | 3.712 | 1907 | 274.0 | R |
| 363. | Sherry Smith (26) | 3.711 | 1917 | 211.0 | L |
| 364. | Ed Walsh+ (31) | 3.710 | 1912 | 393.0 | R |
| 365. | Carroll Brown (23) | 3.709 | 1912 | 199.0 | R |
| 366. | Jean Dubuc (23) | 3.708 | 1912 | 250.0 | R |
| Herman Pillette (27) | 3.708 | 1923 | 250.0 | R | |
| 368. | Gentry Jessup (31) | 3.706 | 1946 | 51.0 | R |
| 369. | Willie Gisentaner (22) | 3.704 | 1922 | 109.1 | L |
| 370. | Larry Cheney (29) | 3.703 | 1915 | 158.0 | R |
| 371. | Win Mercer (28) | 3.702 | 1902 | 282.0 | R |
| Jesse Tannehill (29) | 3.702 | 1904 | 282.0 | L | |
| 373. | Jack Matchett (36) | 3.699 | 1944 | 73.0 | R |
| Bob Shawkey (26) | 3.699 | 1917 | 236.0 | R | |
| 375. | John Williams (24) | 3.697 | 1929 | 209.1 | R |
| 376. | Freddie Fitzsimmons (28) | 3.696 | 1930 | 224.0 | R |
| 377. | Andy Cooper+ (24) | 3.694 | 1921 | 102.1 | L |
| Roy Roberts (27) | 3.694 | 1921 | 236.1 | R | |
| Bobby Shantz (31) | 3.694 | 1957 | 173.0 | L | |
| Sherry Smith (28) | 3.694 | 1919 | 173.0 | L | |
| 381. | Johnnie Bob Dixon (35) | 3.692 | 1934 | 39.0 | R |
| 382. | Eddie Rommel (27) | 3.690 | 1925 | 261.0 | R |
| Doc White (24) | 3.690 | 1903 | 300.0 | L | |
| 384. | Willie Sudhoff (23) | 3.686 | 1898 | 315.0 | R |
| 385. | George Boggs (24) | 3.685 | 1923 | 119.2 | L |
| Ed Siever (28) | 3.685 | 1903 | 254.0 | L | |
| 387. | Lefty Tyler (30) | 3.684 | 1920 | 193.0 | L |
| 388. | Half Pint Allen (26) | 3.682 | 1932 | 66.0 | L |
| Bill Byrd (26) | 3.682 | 1934 | 58.2 | R | |
| Earl Gurley (24) | 3.682 | 1923 | 88.0 | L | |
| Ben Harris (24) | 3.682 | 1914 | 154.0 | R | |
| Patricio Scantlebury (27) | 3.682 | 1945 | 51.1 | L | |
| 393. | Alex Main (31) | 3.678 | 1915 | 230.0 | R |
| Henry Schmidt (30) | 3.678 | 1903 | 301.0 | R | |
| 395. | Bill James (27) | 3.676 | 1914 | 284.0 | R |
| 396. | Jing Johnson (22) | 3.675 | 1917 | 191.0 | R |
| 397. | Bullet Rogan+ (26) | 3.674 | 1920 | 105.1 | R |
| 398. | Jack Taylor (25) | 3.673 | 1898 | 397.0 | R |
| 399. | Tex Pruiett (24) | 3.672 | 1907 | 174.0 | R |
| 400. | Bob Wicker (25) | 3.671 | 1902 | 152.0 | R |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| 401. | Buster Brown (23) | 3.670 | 1905 | 179.0 | R |
| Mordecai Brown+ (30) | 3.670 | 1907 | 233.0 | R | |
| Clarence Mitchell (35) | 3.670 | 1926 | 179.0 | L | |
| 404. | Willie Sudhoff (24) | 3.665 | 1899 | 275.0 | R |
| 405. | George Winter (30) | 3.662 | 1908 | 204.0 | R |
| 406. | Ray Fisher (26) | 3.660 | 1914 | 209.0 | R |
| 407. | Bob Griffith (34) | 3.658 | 1947 | 51.2 | R |
| 408. | Bill Burns (29) | 3.655 | 1909 | 197.0 | L |
| Claude Hendrix (25) | 3.655 | 1914 | 362.0 | R | |
| Sid Hudson (37) | 3.655 | 1952 | 197.0 | R | |
| Addie Joss+ (28) | 3.655 | 1908 | 325.0 | R | |
| George Mullin (25) | 3.655 | 1906 | 330.0 | R | |
| 413. | Oscar Levis (29) | 3.654 | 1928 | 44.1 | R |
| Togie Pittinger (32) | 3.654 | 1904 | 335.0 | R | |
| 415. | Lloyd Brown (28) | 3.653 | 1933 | 202.0 | L |
| Hooks Dauss (27) | 3.653 | 1917 | 271.0 | R | |
| 417. | Patsy Flaherty (32) | 3.652 | 1908 | 244.0 | L |
| 418. | Patsy Flaherty (31) | 3.650 | 1907 | 217.0 | L |
| Ed Siever (29) | 3.650 | 1904 | 217.0 | L | |
| 420. | Charlie Smith (27) | 3.649 | 1907 | 259.0 | R |
| 421. | Ray Brown+ (32) | 3.647 | 1940 | 165.1 | R |
| 422. | Jesse Duryea (32) | 3.646 | 1892 | 195.0 | R |
| 423. | Bill Foster+ (20) | 3.645 | 1924 | 66.2 | L |
| 424. | Harry Gumbert (32) | 3.644 | 1942 | 163.0 | R |
| George Mullin (29) | 3.644 | 1910 | 289.0 | R | |
| Gene Wright (24) | 3.644 | 1903 | 163.0 | R | |
| 427. | Willie Sudhoff (28) | 3.643 | 1903 | 294.0 | R |
| 428. | Dana Fillingim (26) | 3.640 | 1920 | 272.0 | R |
| 429. | Patsy Flaherty (29) | 3.638 | 1905 | 188.0 | L |
| 430. | Cecil Kaiser (27) | 3.635 | 1947 | 52.0 | L |
| George Mullin (21) | 3.635 | 1902 | 260.0 | R | |
| 432. | Tommy John (24) | 3.634 | 1967 | 178.1 | L |
| 433. | Charlie Chech (30) | 3.633 | 1908 | 166.0 | R |
| Phil Cockrell (30) | 3.633 | 1925 | 126.1 | R | |
| Lefty Leifield (26) | 3.633 | 1910 | 218.0 | L | |
| 436. | Jimmy Callahan (26) | 3.632 | 1900 | 285.0 | R |
| Chick Fraser (26) | 3.632 | 1900 | 223.0 | R | |
| 438. | Hooks Dauss (31) | 3.631 | 1921 | 233.0 | R |
| 439. | Willie Cornelius (36) | 3.629 | 1943 | 62.0 | R |
| 440. | Joe Boehling (23) | 3.628 | 1914 | 196.0 | L |
| Bill Drake (25) | 3.628 | 1920 | 191.0 | R | |
| 442. | Ed Reulbach (26) | 3.627 | 1909 | 263.0 | R |
| 443. | Cocaína García (21) | 3.625 | 1927 | 94.1 | L |
| Mike Regan (29) | 3.625 | 1917 | 216.0 | R | |
| 445. | Bullet Rogan+ (29) | 3.624 | 1923 | 248.1 | R |
| 446. | Ted Trent (31) | 3.622 | 1935 | 109.1 | R |
| 447. | Ed Reulbach (29) | 3.621 | 1912 | 169.0 | R |
| Ernie Wingard (25) | 3.621 | 1926 | 169.0 | L | |
| 449. | Christy Mathewson+ (23) | 3.620 | 1904 | 368.0 | R |
| Bill McCall (26) | 3.620 | 1924 | 184.0 | L | |
| Rank | Player (age that year) | Range Factor/9Inn as P | Year | Innings Played | Throws |
| Fred Olmstead (28) | 3.620 | 1910 | 184.0 | R | |
| 452. | Cliff Bell (32) | 3.619 | 1929 | 124.1 | R |
| Chet Brewer (20) | 3.619 | 1927 | 129.1 | R | |
| Bill Doak (26) | 3.619 | 1917 | 281.0 | R | |
| Lee Meadows (26) | 3.619 | 1921 | 194.0 | R | |
| 456. | Al Schulz (25) | 3.618 | 1914 | 199.0 | L |
| 457. | Tom Richardson (27) | 3.617 | 1932 | 107.0 | R |
| 458. | Bill Hart (30) | 3.616 | 1896 | 336.0 | R |
| 459. | Freddie Fitzsimmons (29) | 3.614 | 1931 | 254.0 | R |
| 460. | Darltie Cooper (20) | 3.611 | 1923 | 167.0 | R |
| 461. | Rube Foster (28) | 3.610 | 1916 | 182.0 | R |
| Bill Piercy (27) | 3.610 | 1923 | 187.0 | R | |
| Eugene Smith (25) | 3.610 | 1941 | 62.1 | R | |
| 464. | Smoky Joe Wood (20) | 3.609 | 1910 | 197.0 | R |
| 465. | George Blaeholder (25) | 3.608 | 1929 | 222.0 | R |
| Frank Corridon (24) | 3.608 | 1905 | 212.0 | R | |
| Johnny Taylor (24) | 3.608 | 1940 | 77.4 | R | |
| 468. | Carl Mays (28) | 3.606 | 1920 | 312.0 | R |
| 469. | Bill Bernhard (35) | 3.600 | 1906 | 255.0 | R |
| Dave Black (21) | 3.600 | 1915 | 155.0 | L | |
| James Brown (20) | 3.600 | 1939 | 45.0 | R | |
| Willie Ferrell (28) | 3.600 | 1942 | 60.0 | L | |
| Rats Henderson (28) | 3.600 | 1925 | 230.0 | R | |
| Willis Hudlin (23) | 3.600 | 1929 | 280.0 | R | |
| Harry McCormick (26) | 3.600 | 1882 | 220.0 | R | |
| Ed Summers (25) | 3.600 | 1910 | 220.0 | R | |
| Lefty Tyler (21) | 3.600 | 1911 | 165.0 | L | |
| 478. | Casey Patten (30) | 3.595 | 1904 | 358.0 | L |
| Faustino Valdés | 3.595 | 1920 | 122.2 | ||
| 480. | Harry Coveleski (29) | 3.594 | 1915 | 313.0 | L |
| Bill Donovan (27) | 3.594 | 1904 | 293.0 | R | |
| 482. | Eddie Cicotte (28) | 3.591 | 1912 | 198.0 | R |
| Ned Garvin (28) | 3.591 | 1902 | 193.0 | R | |
| 484. | Bill Drake (27) | 3.590 | 1922 | 125.4 | R |
| Ed Poole (29) | 3.590 | 1904 | 178.0 | R | |
| 486. | Bill Doak (23) | 3.586 | 1914 | 256.0 | R |
| Gready McKinnis (31) | 3.586 | 1945 | 42.2 | L | |
| 488. | Howard Ehmke (23) | 3.583 | 1917 | 206.0 | R |
| Carl Glass (31) | 3.583 | 1929 | 140.2 | L | |
| Ed Karger (24) | 3.583 | 1907 | 314.0 | L | |
| 491. | Ewing Waddy (21) | 3.582 | 1932 | 32.2 | L |
| 492. | Bob Purkey (31) | 3.581 | 1961 | 246.1 | R |
| 493. | Harry Gumbert (31) | 3.580 | 1941 | 176.0 | R |
| 494. | Charles Bender+ (21) | 3.576 | 1905 | 229.0 | R |
| 495. | Barney Brown (36) | 3.572 | 1944 | 85.2 | L |
| 496. | George Britt (29) | 3.571 | 1925 | 126.0 | R |
| 497. | Greg Maddux+ (24) | 3.570 | 1990 | 237.0 | R |
| Greg Maddux+ (33) | 3.570 | 1999 | 219.1 | R | |
| 499. | Isidro Fabré (34) | 3.568 | 1929 | 93.1 | R |
| 500. | Christy Mathewson+ (29) | 3.566 | 1910 | 318.0 | R |
