+ - Indicates Hall of Famer. Bold indicates active player.
Statistic Description: (BB + H)/IP For recent years, leaders need 1 IP per team game played
Only players who finished in the top 40 for the majors in a season will appear on this list.
Leaders from the current season are only included for rate stats after July 1st.
For batting rate stats, generally a minimum of 3.1 Plate Appearances/G, 1.0 IP/G, 0.5 Gm and Chances/Team Game (fielding), 0.2 SB att/Team Game (catchers), and 0.1 SB att/Team Game (baserunners only since 1951), and 0.1 decision/G for single-season leaderboards generally needed for rate statistics. For pitcher fielding the minimums are reduced by a third. For LF, CF, RF fielding stats, we only have reliable data since 1954, so all leaders are since 1954. Explanation of min. requirements
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
|---|---|---|---|---|
| 1. | Pedro Martinez (28) | 0.7373 | 2000 | R |
| 2. | Guy Hecker (26) | 0.7692 | 1882 | R |
| 3. | Walter Johnson+ (25) | 0.7803 | 1913 | R |
| 4. | Tim Keefe+ (23) | 0.8000 | 1880 | R |
| 5. | Addie Joss+ (28) | 0.8062 | 1908 | R |
| 6. | Greg Maddux (29) | 0.8108 | 1995 | R |
| 7. | Charlie Sweeney (21) | 0.8171 | 1884 | R |
| 8. | Ed Walsh+ (29) | 0.8197 | 1910 | R |
| 9. | Christy Mathewson+ (27) | 0.8268 | 1908 | R |
| 10. | Christy Mathewson+ (28) | 0.8281 | 1909 | R |
| 11. | George Bradley (27) | 0.8367 | 1880 | R |
| 12. | Mordecai Brown+ (31) | 0.8420 | 1908 | R |
| 13. | Pete Alexander+ (28) | 0.8423 | 1915 | R |
| 14. | Dave McNally (25) | 0.8425 | 1968 | L |
| 15. | Henry Boyle (23) | 0.8533 | 1884 | R |
| 16. | Bob Gibson+ (32) | 0.8534 | 1968 | R |
| 17. | Sandy Koufax+ (29) | 0.8550 | 1965 | L |
| 18. | Juan Marichal+ (28) | 0.8590 | 1966 | R |
| 19. | Ed Walsh+ (27) | 0.8599 | 1908 | R |
| 20. | Denny Driscoll (26) | 0.8657 | 1882 | L |
| 21. | Cy Young+ (38) | 0.8669 | 1905 | R |
| 22. | Guy Hecker (28) | 0.8678 | 1884 | R |
| 23. | Luis Tiant (27) | 0.8710 | 1968 | R |
| 24. | Roger Nelson (28) | 0.8712 | 1972 | R |
| 25. | Mordecai Brown+ (32) | 0.8726 | 1909 | R |
| 26. | Silver King (20) | 0.8740 | 1888 | R |
| 27. | Sandy Koufax+ (27) | 0.8746 | 1963 | L |
| 28. | Russ Ford (27) | 0.8810 | 1910 | R |
| 29. | Dutch Leonard (22) | 0.8858 | 1914 | L |
| 30. | George Bradley (23) | 0.8866 | 1876 | R |
| 31. | Jim Whitney (26) | 0.8899 | 1884 | R |
| 32. | Cy Young+ (41) | 0.8930 | 1908 | R |
| 33. | Greg Maddux (28) | 0.8960 | 1994 | R |
| 34. | Babe Adams (37) | 0.8962 | 1919 | R |
| 35. | Ed Morris (21) | 0.8984 | 1884 | L |
| 36. | Randy Johnson (40) | 0.8996 | 2004 | L |
| 37. | Tommy Bond (20) | 0.9020 | 1876 | R |
| 38. | Doc White (27) | 0.9027 | 1906 | L |
| 39. | Denny McLain (24) | 0.9048 | 1968 | R |
| 40. | Walter Johnson+ (24) | 0.9079 | 1912 | R |
| 41. | Eddie Cicotte (33) | 0.9115 | 1917 | R |
| 42. | Don Sutton+ (27) | 0.9132 | 1972 | R |
| 43. | Walter Johnson+ (22) | 0.9135 | 1910 | R |
| 44. | Catfish Hunter+ (26) | 0.9142 | 1972 | R |
| Juan Marichal+ (27) | 0.9142 | 1965 | R | |
| 46. | Chief Bender+ (26) | 0.9160 | 1910 | R |
| 47. | Monte Ward+ (20) | 0.9176 | 1880 | R |
| 48. | Bob Caruthers (20) | 0.9194 | 1884 | R |
| 49. | Lady Baldwin (26) | 0.9201 | 1885 | L |
| 50. | Justin Verlander (28) | 0.9203 | 2011 | R |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 51. | Johan Santana (25) | 0.9211 | 2004 | L |
| 52. | Old Hoss Radbourn+ (29) | 0.9224 | 1884 | R |
| 53. | Mike Scott (31) | 0.9225 | 1986 | R |
| 54. | Pedro Martinez (30) | 0.9231 | 2002 | R |
| 55. | Pedro Martinez (27) | 0.9234 | 1999 | R |
| 56. | Pete Alexander+ (32) | 0.9277 | 1919 | R |
| 57. | Sandy Koufax+ (28) | 0.9283 | 1964 | L |
| 58. | Jack Lynch (27) | 0.9315 | 1884 | R |
| 59. | Pedro Martinez (25) | 0.9323 | 1997 | R |
| 60. | Addie Joss+ (26) | 0.9326 | 1906 | R |
| 61. | Walter Johnson+ (27) | 0.9327 | 1915 | R |
| 62. | Bill Burns (28) | 0.9329 | 1908 | L |
| 63. | Christy Mathewson+ (24) | 0.9331 | 1905 | R |
| 64. | Tim Keefe+ (27) | 0.9337 | 1884 | R |
| 65. | Mordecai Brown+ (29) | 0.9339 | 1906 | R |
| 66. | Russ Ford (31) | 0.9340 | 1914 | R |
| 67. | Joe Horlen (26) | 0.9351 | 1964 | R |
| 68. | Claude Hendrix (25) | 0.9365 | 1914 | R |
| 69. | Cy Young+ (37) | 0.9368 | 1904 | R |
| 70. | Jack Chesbro+ (30) | 0.9370 | 1904 | R |
| 71. | Tim Keefe+ (31) | 0.9371 | 1888 | R |
| 72. | Larry Corcoran (20) | 0.9378 | 1880 | R |
| Ed Walsh+ (28) | 0.9378 | 1909 | R | |
| 74. | John Tudor (31) | 0.9382 | 1985 | L |
| 75. | Harry Krause (20) | 0.9390 | 1909 | L |
| 76. | Pascual Perez (31) | 0.9415 | 1988 | R |
| Jack Pfiester (28) | 0.9415 | 1906 | L | |
| 78. | Reb Russell (27) | 0.9420 | 1916 | L |
| 79. | Bill Bernhard (31) | 0.9425 | 1902 | R |
| 80. | Addie Joss+ (29) | 0.9437 | 1909 | R |
| 81. | Kevin Brown (31) | 0.9442 | 1996 | R |
| Mordecai Brown+ (30) | 0.9442 | 1907 | R | |
| 83. | Greg Maddux (31) | 0.9456 | 1997 | R |
| 84. | Warren Hacker (27) | 0.9459 | 1952 | R |
| 85. | Ron Guidry (27) | 0.9464 | 1978 | L |
| Tom Seaver+ (26) | 0.9464 | 1971 | R | |
| 87. | Addie Joss+ (23) | 0.9483 | 1903 | R |
| 88. | Tom Hughes (31) | 0.9489 | 1915 | R |
| 89. | Pedro Martinez (33) | 0.9493 | 2005 | R |
| 90. | Pete Conway (21) | 0.9514 | 1888 | R |
| Barney Pelty (25) | 0.9514 | 1906 | R | |
| 92. | Vida Blue (21) | 0.9519 | 1971 | L |
| 93. | Jack Taylor (28) | 0.9530 | 1902 | R |
| 94. | Frank Smith (29) | 0.9534 | 1909 | R |
| 95. | John Clarkson+ (23) | 0.9535 | 1885 | R |
| Joe Horlen (29) | 0.9535 | 1967 | R | |
| Dick Hughes (29) | 0.9535 | 1967 | R | |
| Jason Schmidt (30) | 0.9535 | 2003 | R | |
| 99. | Walter Johnson+ (30) | 0.9540 | 1918 | R |
| 100. | Perry Werden (22) | 0.9552 | 1884 | R |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 101. | Charlie Buffinton (27) | 0.9567 | 1888 | R |
| 102. | Ray Caldwell (26) | 0.9577 | 1914 | R |
| 103. | Pete Alexander+ (29) | 0.9589 | 1916 | R |
| 104. | Bret Saberhagen (25) | 0.9606 | 1989 | R |
| 105. | Frank Smith (28) | 0.9608 | 1908 | R |
| 106. | Christy Mathewson+ (26) | 0.9619 | 1907 | R |
| 107. | Tim Keefe+ (26) | 0.9628 | 1883 | R |
| 108. | Fred Anderson (31) | 0.9630 | 1917 | R |
| 109. | Joe McGinnity+ (33) | 0.9632 | 1904 | R |
| 110. | Ed Reulbach (22) | 0.9634 | 1905 | R |
| 111. | Walter Johnson+ (20) | 0.9636 | 1908 | R |
| 112. | Ed Morris (22) | 0.9639 | 1885 | L |
| 113. | Chief Bender+ (25) | 0.9640 | 1909 | R |
| 114. | Don Drysdale+ (27) | 0.9647 | 1964 | R |
| 115. | Dwight Gooden (20) | 0.9651 | 1985 | R |
| Frank Owen (24) | 0.9651 | 1904 | R | |
| 117. | Mordecai Brown+ (27) | 0.9655 | 1904 | R |
| 118. | Tully Sparks (31) | 0.9663 | 1906 | R |
| 119. | Lady Baldwin (27) | 0.9671 | 1886 | L |
| 120. | Larry Corcoran (22) | 0.9672 | 1882 | R |
| 121. | Curt Schilling (35) | 0.9679 | 2002 | R |
| 122. | Tony Mullane (24) | 0.9682 | 1883 | |
| 123. | Roger Clemens (23) | 0.9685 | 1986 | R |
| Dennis Eckersley+ (30) | 0.9685 | 1985 | R | |
| 125. | Turk Farrell (29) | 0.9687 | 1963 | R |
| 126. | Cy Young+ (36) | 0.9688 | 1903 | R |
| 127. | Walter Johnson+ (29) | 0.9693 | 1917 | R |
| 128. | Jim Devlin (27) | 0.9695 | 1876 | R |
| 129. | Pretzels Getzien (20) | 0.9706 | 1884 | R |
| 130. | Johan Santana (26) | 0.9712 | 2005 | L |
| 131. | Walter Johnson+ (26) | 0.9713 | 1914 | R |
| 132. | Howie Camnitz (27) | 0.9717 | 1909 | R |
| 133. | Cy Young+ (34) | 0.9722 | 1901 | R |
| 134. | Eddie Fisher (28) | 0.9738 | 1965 | R |
| 135. | Derek Lowe (29) | 0.9742 | 2002 | R |
| 136. | Dick Rudolph (28) | 0.9744 | 1916 | R |
| 137. | Charlie Ferguson (23) | 0.9756 | 1886 | R |
| 138. | Tom Seaver+ (28) | 0.9759 | 1973 | R |
| 139. | Rube Waddell+ (28) | 0.9767 | 1905 | L |
| 140. | Clayton Kershaw (23) | 0.9771 | 2011 | L |
| 141. | Gaylord Perry+ (33) | 0.9776 | 1972 | R |
| 142. | Tom Seaver+ (23) | 0.9784 | 1968 | R |
| 143. | Old Hoss Radbourn+ (28) | 0.9789 | 1883 | R |
| 144. | Jack Pfiester (29) | 0.9795 | 1907 | L |
| 145. | Greg Maddux (32) | 0.9801 | 1998 | R |
| 146. | Sonny Siebert (28) | 0.9806 | 1965 | R |
| 147. | Ed Walsh+ (25) | 0.9808 | 1906 | R |
| 148. | Babe Adams (38) | 0.9810 | 1920 | R |
| 149. | Carl Hubbell+ (30) | 0.9816 | 1933 | L |
| Cy Young+ (40) | 0.9816 | 1907 | R | |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 151. | Gary Peters (29) | 0.9821 | 1966 | L |
| 152. | Dave Foutz (27) | 0.9823 | 1884 | R |
| 153. | Dean Chance (27) | 0.9829 | 1968 | R |
| 154. | Ben Sheets (25) | 0.9831 | 2004 | R |
| Don Sutton+ (28) | 0.9831 | 1973 | R | |
| 156. | Mike Scott (33) | 0.9832 | 1988 | R |
| 157. | Addie Joss+ (27) | 0.9833 | 1907 | R |
| 158. | Fred Goldsmith (24) | 0.9842 | 1880 | R |
| George McQuillan (23) | 0.9842 | 1908 | R | |
| 160. | Noodles Hahn (25) | 0.9843 | 1904 | L |
| 161. | Pat Jarvis (27) | 0.9844 | 1968 | R |
| 162. | Sandy Koufax+ (30) | 0.9845 | 1966 | L |
| 163. | Bobby Bolin (29) | 0.9849 | 1968 | R |
| 164. | Walter Johnson+ (31) | 0.9851 | 1919 | R |
| 165. | Cole Hamels (27) | 0.9861 | 2011 | L |
| 166. | Catfish Hunter+ (28) | 0.9864 | 1974 | R |
| 167. | Tiny Bonham (28) | 0.9867 | 1942 | R |
| 168. | Mort Cooper (29) | 0.9868 | 1942 | R |
| 169. | Jesse Tannehill (27) | 0.9870 | 1902 | L |
| 170. | Henry Gruber (24) | 0.9875 | 1888 | R |
| 171. | Addie Joss+ (24) | 0.9879 | 1904 | R |
| 172. | Frank Tanana (22) | 0.9884 | 1976 | L |
| 173. | Pud Galvin+ (27) | 0.9885 | 1884 | R |
| 174. | Don Newcombe (30) | 0.9888 | 1956 | R |
| 175. | Don Sutton+ (35) | 0.9890 | 1980 | R |
| 176. | Odalis Perez (24) | 0.9895 | 2002 | L |
| 177. | Curt Schilling (25) | 0.9897 | 1992 | R |
| 178. | Cannonball Titcomb (21) | 0.9898 | 1888 | L |
| 179. | Fred Corey (25) | 0.9910 | 1880 | R |
| 180. | Kevin Brown (35) | 0.9913 | 2000 | R |
| Eddie Plank+ (39) | 0.9913 | 1915 | L | |
| 182. | Charlie Buffinton (23) | 0.9915 | 1884 | R |
| Ben Sanders (23) | 0.9915 | 1888 | R | |
| 184. | Spud Chandler (35) | 0.9921 | 1943 | R |
| Ron Guidry (30) | 0.9921 | 1981 | L | |
| 186. | Stan Coveleski+ (27) | 0.9922 | 1917 | R |
| 187. | Jim Merritt (23) | 0.9927 | 1967 | L |
| 188. | Ed Seward (21) | 0.9929 | 1888 | R |
| 189. | Steve Carlton+ (27) | 0.9933 | 1972 | L |
| 190. | Bill Hands (28) | 0.9936 | 1968 | R |
| 191. | Frank Owen (25) | 0.9940 | 1905 | R |
| 192. | Juan Marichal+ (31) | 0.9944 | 1969 | R |
| 193. | Eddie Cicotte (35) | 0.9946 | 1919 | R |
| 194. | Kevin Millwood (24) | 0.9956 | 1999 | R |
| 195. | Bob Caruthers (24) | 0.9957 | 1888 | R |
| 196. | Juan Marichal+ (25) | 0.9959 | 1963 | R |
| 197. | Jack Powell (33) | 0.9961 | 1908 | R |
| 198. | Fritz Peterson (27) | 0.9963 | 1969 | L |
| 199. | Orval Overall (28) | 0.9965 | 1909 | R |
| 200. | Harry McCormick (26) | 0.9970 | 1882 | R |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 201. | Johan Santana (27) | 0.9971 | 2006 | L |
| 202. | Ray Prim (38) | 0.9980 | 1945 | L |
| 203. | Chief Bender+ (23) | 0.9985 | 1907 | R |
| Teddy Higuera (30) | 0.9985 | 1988 | L | |
| Vern Law (35) | 0.9985 | 1965 | R | |
| 206. | Ferdie Schupp (26) | 1.0000 | 1917 | L |
| Will White (28) | 1.0000 | 1883 | R | |
| Wilbur Wood (29) | 1.0000 | 1971 | L | |
| 209. | Gus Krock (22) | 1.0010 | 1888 | R |
| 210. | Al Orth (28) | 1.0012 | 1901 | R |
| 211. | John Smoltz (29) | 1.0013 | 1996 | R |
| 212. | Dan Haren (28) | 1.0029 | 2009 | R |
| 213. | Cliff Lee (31) | 1.0031 | 2010 | L |
| 214. | Jim Bunning+ (34) | 1.0032 | 1966 | R |
| Kid Nichols+ (34) | 1.0032 | 1904 | R | |
| 216. | Jim McCormick (23) | 1.0035 | 1880 | R |
| Bob Ojeda (30) | 1.0035 | 1988 | L | |
| 218. | George McConnell (38) | 1.0039 | 1916 | R |
| 219. | Will White (27) | 1.0042 | 1882 | R |
| 220. | Mike Cuellar (32) | 1.0046 | 1969 | L |
| 221. | Tim Keefe+ (28) | 1.0050 | 1885 | R |
| 222. | Tony Mullane (25) | 1.0053 | 1884 | |
| 223. | Ray Collins (23) | 1.0054 | 1910 | L |
| 224. | Babe Adams (29) | 1.0057 | 1911 | R |
| Gary Nolan (24) | 1.0057 | 1972 | R | |
| Hank Robinson (24) | 1.0057 | 1912 | L | |
| Hippo Vaughn (30) | 1.0057 | 1918 | L | |
| 228. | Nolan Ryan+ (44) | 1.0058 | 1991 | R |
| 229. | Dean Chance (23) | 1.0060 | 1964 | R |
| 230. | Kid Madden (20) | 1.0061 | 1888 | L |
| 231. | Orval Overall (26) | 1.0062 | 1907 | R |
| 232. | Walter Johnson+ (28) | 1.0063 | 1916 | R |
| 233. | Doc White (26) | 1.0064 | 1905 | L |
| 234. | Chris Carpenter (34) | 1.0069 | 2009 | R |
| 235. | Bill Singer (25) | 1.0074 | 1969 | R |
| Whit Wyatt (35) | 1.0074 | 1943 | R | |
| 237. | Jesse Barnes (26) | 1.0079 | 1919 | R |
| Roger Clemens (42) | 1.0079 | 2005 | R | |
| 239. | Fergie Jenkins+ (31) | 1.0081 | 1974 | R |
| 240. | John Clarkson+ (22) | 1.0085 | 1884 | R |
| Dave Davenport (25) | 1.0085 | 1915 | R | |
| 242. | Scott Garrelts (27) | 1.0086 | 1989 | R |
| 243. | Catfish Hunter+ (29) | 1.0091 | 1975 | R |
| George Winter (29) | 1.0091 | 1907 | R | |
| 245. | Randy Johnson (37) | 1.0093 | 2001 | L |
| 246. | Peek-A-Boo Veach (22) | 1.0096 | 1884 | |
| 247. | Bob Caruthers (21) | 1.0097 | 1885 | R |
| Larry Gura (33) | 1.0097 | 1981 | L | |
| 249. | Rube Marquard+ (29) | 1.0098 | 1916 | L |
| 250. | Jered Weaver (28) | 1.0099 | 2011 | R |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 251. | Pete Alexander+ (30) | 1.0103 | 1917 | R |
| 252. | Dick Bosman (25) | 1.0104 | 1969 | R |
| 253. | Vic Willis+ (32) | 1.0109 | 1908 | R |
| 254. | Greg Maddux (26) | 1.0112 | 1992 | R |
| 255. | Art Nehf (24) | 1.0114 | 1917 | L |
| 256. | Frank Miller (33) | 1.0116 | 1919 | R |
| 257. | Roger Wolff (34) | 1.0120 | 1945 | R |
| 258. | Garland Braxton (28) | 1.0122 | 1928 | L |
| 259. | Jeff Tesreau (27) | 1.0131 | 1915 | R |
| Doc White (30) | 1.0131 | 1909 | L | |
| 261. | Ed Walsh+ (26) | 1.0134 | 1907 | R |
| 262. | Eddie Plank+ (32) | 1.0136 | 1908 | L |
| 263. | Ed Reulbach (23) | 1.0138 | 1906 | R |
| 264. | Tom Seaver+ (32) | 1.0140 | 1977 | R |
| 265. | Deacon Phillippe (33) | 1.0143 | 1905 | R |
| 266. | Smoky Joe Wood (22) | 1.0145 | 1912 | R |
| 267. | Don Sutton+ (36) | 1.0147 | 1981 | R |
| 268. | Old Hoss Radbourn+ (27) | 1.0150 | 1882 | R |
| 269. | Slim Sallee (33) | 1.0152 | 1918 | L |
| 270. | Jerry Reuss (31) | 1.0160 | 1980 | L |
| 271. | Bob Tewksbury (31) | 1.0172 | 1992 | R |
| 272. | Fritz Peterson (26) | 1.0173 | 1968 | L |
| 273. | Frank Mountain (24) | 1.0176 | 1884 | R |
| 274. | Jered Weaver (29) | 1.0177 | 2012 | R |
| 275. | Frank Arellanes (27) | 1.0188 | 1909 | R |
| 276. | Randy Johnson (35) | 1.0196 | 1999 | L |
| Christy Mathewson+ (32) | 1.0196 | 1913 | R | |
| Chris Short (26) | 1.0196 | 1964 | L | |
| 279. | Babe Adams (31) | 1.0202 | 1913 | R |
| 280. | Rube Foster (26) | 1.0205 | 1914 | R |
| 281. | Bugs Raymond (26) | 1.0206 | 1908 | R |
| 282. | Charlie Geggus (22) | 1.0207 | 1884 | |
| Gaylord Perry+ (35) | 1.0207 | 1974 | R | |
| Smoky Joe Wood (19) | 1.0207 | 1909 | R | |
| 285. | Tommy Bond (23) | 1.0210 | 1879 | R |
| Addie Joss+ (25) | 1.0210 | 1905 | R | |
| 287. | Robin Roberts+ (25) | 1.0212 | 1952 | R |
| 288. | Dupee Shaw (25) | 1.0215 | 1884 | L |
| 289. | Dazzy Vance+ (33) | 1.0216 | 1924 | R |
| 290. | Larry Dierker (22) | 1.0218 | 1969 | R |
| 291. | Doc Ayers (24) | 1.0221 | 1915 | R |
| 292. | Mickey Welch+ (25) | 1.0224 | 1885 | R |
| Don Wilson (26) | 1.0224 | 1971 | R | |
| 294. | Clayton Kershaw (24) | 1.0234 | 2012 | L |
| 295. | Sam Weaver (22) | 1.0235 | 1878 | R |
| 296. | Dan Haren (30) | 1.0238 | 2011 | R |
| 297. | Monte Ward+ (18) | 1.0240 | 1878 | R |
| 298. | LaMarr Hoyt (28) | 1.0243 | 1983 | R |
| 299. | Fred Goldsmith (26) | 1.0247 | 1882 | R |
| 300. | Robin Roberts+ (27) | 1.0248 | 1954 | R |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 301. | Dennis Martinez (37) | 1.0250 | 1992 | R |
| 302. | Mickey Welch+ (28) | 1.0251 | 1888 | R |
| 303. | Dick Ellsworth (23) | 1.0252 | 1963 | L |
| Roy Oswalt (32) | 1.0252 | 2010 | R | |
| Sonny Siebert (30) | 1.0252 | 1967 | R | |
| 306. | Jim Whitney (25) | 1.0253 | 1883 | R |
| 307. | Jeff Pfeffer (28) | 1.0254 | 1916 | R |
| 308. | Ed Karger (24) | 1.0255 | 1907 | L |
| 309. | Dick Donovan (33) | 1.0257 | 1961 | R |
| 310. | Javier Vazquez (32) | 1.0258 | 2009 | R |
| 311. | Josh Beckett (31) | 1.0259 | 2011 | R |
| 312. | Jesse Tannehill (29) | 1.0260 | 1904 | L |
| 313. | Charlie Chech (30) | 1.0262 | 1908 | R |
| 314. | Bret Saberhagen (30) | 1.0263 | 1994 | R |
| 315. | Tully Sparks (32) | 1.0264 | 1907 | R |
| 316. | Danny Darwin (34) | 1.0266 | 1990 | R |
| 317. | Ray Fisher (31) | 1.0268 | 1919 | R |
| 318. | Nat Hudson (19) | 1.0270 | 1888 | R |
| Phil Niekro+ (30) | 1.0270 | 1969 | R | |
| 320. | Cliff Lee (32) | 1.0272 | 2011 | L |
| 321. | Bob Gibson+ (30) | 1.0273 | 1966 | R |
| Hooks Wiltse (28) | 1.0273 | 1908 | L | |
| 323. | Fred Glade (30) | 1.0275 | 1906 | R |
| Randy Jones (26) | 1.0275 | 1976 | L | |
| 325. | Jack Coombs (27) | 1.0283 | 1910 | R |
| 326. | Dave Foutz (31) | 1.0284 | 1888 | R |
| 327. | Gaylord Perry+ (29) | 1.0287 | 1968 | R |
| Jack Powell (31) | 1.0287 | 1906 | R | |
| Billy Taylor (29) | 1.0287 | 1884 | R | |
| 330. | Jumbo McGinnis (29) | 1.0296 | 1883 | |
| 331. | Art Ditmar (30) | 1.0297 | 1959 | R |
| 332. | Andy Pettitte (33) | 1.0300 | 2005 | L |
| Deacon Phillippe (31) | 1.0300 | 1903 | R | |
| 334. | Bob Shawkey (25) | 1.0301 | 1916 | R |
| 335. | Roger Clemens (34) | 1.0303 | 1997 | R |
| 336. | Orel Hershiser (26) | 1.0306 | 1985 | R |
| 337. | Bill Dinneen (28) | 1.0308 | 1904 | R |
| Randy Johnson (38) | 1.0308 | 2002 | L | |
| 339. | Jim Palmer+ (29) | 1.0310 | 1975 | R |
| 340. | Rube Marquard+ (26) | 1.0312 | 1913 | L |
| 341. | Babe Adams (32) | 1.0318 | 1914 | R |
| Ed Morris (23) | 1.0318 | 1886 | L | |
| Steve Ontiveros (33) | 1.0318 | 1994 | R | |
| 344. | Carl Hubbell+ (31) | 1.0319 | 1934 | L |
| 345. | Dummy Taylor (29) | 1.0326 | 1904 | R |
| 346. | Greg Maddux (30) | 1.0327 | 1996 | R |
| 347. | Jumbo McGinnis (30) | 1.0329 | 1884 | |
| 348. | Kid Nichols+ (28) | 1.0335 | 1898 | R |
| 349. | George McQuillan (24) | 1.0336 | 1909 | R |
| 350. | Jim Bunning+ (32) | 1.0340 | 1964 | R |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 351. | Jose DeLeon (28) | 1.0341 | 1989 | R |
| Monte Ward+ (19) | 1.0341 | 1879 | R | |
| 353. | Nolan Ryan+ (43) | 1.0343 | 1990 | R |
| 354. | Art Nehf (26) | 1.0345 | 1919 | L |
| 355. | Hugh Daily (36) | 1.0346 | 1884 | R |
| 356. | Lefty Tyler (26) | 1.0348 | 1916 | L |
| 357. | Bob Ewing (35) | 1.0352 | 1908 | R |
| 358. | Vic Willis+ (31) | 1.0353 | 1907 | R |
| 359. | Hooks Wiltse (29) | 1.0359 | 1909 | L |
| 360. | Sandy Koufax+ (26) | 1.0362 | 1962 | L |
| 361. | Doc Ayers (23) | 1.0364 | 1914 | R |
| 362. | Harry Brecheen (33) | 1.0371 | 1948 | L |
| Bob Moose (20) | 1.0371 | 1968 | R | |
| 364. | Guy Morton (22) | 1.0375 | 1915 | R |
| 365. | Tommy John (25) | 1.0376 | 1968 | L |
| 366. | Juan Pizarro (27) | 1.0377 | 1964 | L |
| Dick Rudolph (26) | 1.0377 | 1914 | R | |
| 368. | Don Sutton+ (30) | 1.0380 | 1975 | R |
| 369. | Bill Bernhard (32) | 1.0382 | 1903 | R |
| 370. | Fergie Jenkins+ (27) | 1.0383 | 1970 | R |
| 371. | Jim Bunning+ (35) | 1.0386 | 1967 | R |
| 372. | Atlee Hammaker (25) | 1.0387 | 1983 | L |
| 373. | Pud Galvin+ (22) | 1.0388 | 1879 | R |
| 374. | Reb Russell (24) | 1.0389 | 1913 | L |
| 375. | Wilbur Cooper (26) | 1.0390 | 1918 | L |
| Fergie Jenkins+ (25) | 1.0390 | 1968 | R | |
| Tom Seaver+ (24) | 1.0390 | 1969 | R | |
| 378. | Rube Waddell+ (27) | 1.0392 | 1904 | L |
| 379. | Pedro Martinez (31) | 1.0393 | 2003 | R |
| 380. | Matt Cain (27) | 1.0395 | 2012 | R |
| 381. | Roy Halladay (34) | 1.0399 | 2011 | R |
| 382. | Roy Halladay (33) | 1.0412 | 2010 | R |
| Lee Richmond (23) | 1.0412 | 1880 | L | |
| 384. | Rick Reed (32) | 1.0416 | 1997 | R |
| 385. | Earl Moore (25) | 1.0417 | 1903 | R |
| 386. | Wally Bunker (19) | 1.0421 | 1964 | R |
| 387. | Bob Friend (32) | 1.0422 | 1963 | R |
| Rube Waddell+ (25) | 1.0422 | 1902 | L | |
| 389. | Roy Patterson (27) | 1.0424 | 1904 | R |
| Smoky Joe Wood (25) | 1.0424 | 1915 | R | |
| 391. | Nick Maddox (22) | 1.0426 | 1909 | R |
| 392. | James Shields (29) | 1.0428 | 2011 | R |
| 393. | Jack Warhop (29) | 1.0431 | 1914 | R |
| 394. | Cy Morgan (30) | 1.0432 | 1909 | R |
| 395. | Stump Wiedman (20) | 1.0435 | 1881 | R |
| 396. | Rudy May (35) | 1.0437 | 1980 | L |
| 397. | Eddie Plank+ (33) | 1.0440 | 1909 | L |
| Pat Ragan (30) | 1.0440 | 1916 | R | |
| 399. | Mickey Hughes (21) | 1.0441 | 1888 | R |
| 400. | Eddie Plank+ (29) | 1.0442 | 1905 | L |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| 401. | Jake Peavy (24) | 1.0443 | 2005 | R |
| 402. | Christy Mathewson+ (23) | 1.0444 | 1904 | R |
| 403. | Jumbo McGinnis (31) | 1.0446 | 1885 | |
| 404. | Bobby Mathews (32) | 1.0449 | 1884 | R |
| Bob Wicker (27) | 1.0449 | 1905 | R | |
| 406. | Randy Johnson (31) | 1.0451 | 1995 | L |
| Fernando Valenzuela (20) | 1.0451 | 1981 | L | |
| David Wells (35) | 1.0451 | 1998 | L | |
| 409. | Ed Daily (22) | 1.0455 | 1885 | R |
| 410. | Randy Jones (25) | 1.0456 | 1975 | L |
| 411. | Curt Schilling (30) | 1.0459 | 1997 | R |
| 412. | Babe Ruth+ (23) | 1.0461 | 1918 | L |
| 413. | Stump Wiedman (21) | 1.0462 | 1882 | R |
| 414. | Fred Toney (26) | 1.0464 | 1915 | R |
| 415. | Dick Burns (20) | 1.0465 | 1884 | L |
| 416. | Roger Clemens (28) | 1.0467 | 1991 | R |
| 417. | Frank Smith (30) | 1.0468 | 1910 | R |
| 418. | Juan Marichal+ (30) | 1.0471 | 1968 | R |
| 419. | Tim Lincecum (25) | 1.0473 | 2009 | R |
| Ed Summers (24) | 1.0473 | 1909 | R | |
| 421. | Tex Hughson (28) | 1.0475 | 1944 | R |
| 422. | Curt Schilling (36) | 1.0476 | 2003 | R |
| 423. | Bobby Shantz (26) | 1.0477 | 1952 | L |
| Cy Young+ (35) | 1.0477 | 1902 | R | |
| 425. | Harry Howell (27) | 1.0478 | 1904 | R |
| Allan Sothoron (25) | 1.0478 | 1918 | R | |
| 427. | Mike Norris (25) | 1.0481 | 1980 | R |
| 428. | Greg Maddux (27) | 1.0487 | 1993 | R |
| 429. | Nick Altrock (27) | 1.0489 | 1904 | L |
| 430. | Fergie Jenkins+ (28) | 1.0492 | 1971 | R |
| Jim McCormick (27) | 1.0492 | 1884 | R | |
| 432. | Jim Nash (23) | 1.0496 | 1968 | R |
| 433. | Jocko Flynn (22) | 1.0506 | 1886 | R |
| 434. | Harry Salisbury (27) | 1.0507 | 1882 | |
| Adam Wainwright (28) | 1.0507 | 2010 | R | |
| 436. | Ed Reulbach (26) | 1.0508 | 1909 | R |
| 437. | Hank Aguirre (31) | 1.0509 | 1962 | L |
| 438. | Kaiser Wilhelm (34) | 1.0512 | 1908 | R |
| 439. | Ed Siever (27) | 1.0513 | 1902 | L |
| Ralph Terry (26) | 1.0513 | 1962 | R | |
| 441. | Harry Coveleski (30) | 1.0514 | 1916 | L |
| 442. | Randy Johnson (33) | 1.0516 | 1997 | L |
| 443. | Bob Welch (28) | 1.0518 | 1985 | R |
| 444. | Charlie Ferguson (22) | 1.0519 | 1885 | R |
| Carl Mays (25) | 1.0519 | 1917 | R | |
| 446. | Gus Weyhing (21) | 1.0520 | 1888 | R |
| 447. | Sam Leever (35) | 1.0523 | 1907 | R |
| 448. | Orel Hershiser (29) | 1.0524 | 1988 | R |
| 449. | Bryn Smith (29) | 1.0525 | 1985 | R |
| 450. | Al Demaree (31) | 1.0526 | 1916 | R |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| Bobby Mathews (30) | 1.0526 | 1882 | R | |
| 452. | R.A. Dickey (37) | 1.0528 | 2012 | R |
| Roy Halladay (31) | 1.0528 | 2008 | R | |
| 454. | Tim Wakefield (35) | 1.0531 | 2002 | R |
| 455. | Sid Fernandez (25) | 1.0535 | 1988 | L |
| Jim Palmer+ (26) | 1.0535 | 1972 | R | |
| 457. | Sam Leever (30) | 1.0541 | 1902 | R |
| Deacon Phillippe (29) | 1.0541 | 1901 | R | |
| 459. | Jesse Barnes (24) | 1.0542 | 1917 | R |
| Robin Roberts+ (38) | 1.0542 | 1965 | R | |
| 461. | Vean Gregg (26) | 1.0545 | 1911 | L |
| 462. | Chris Carpenter (30) | 1.0552 | 2005 | R |
| Ice Box Chamberlain (20) | 1.0552 | 1888 | R | |
| 464. | Frank Sullivan (27) | 1.0554 | 1957 | R |
| 465. | George Brunet (33) | 1.0557 | 1968 | L |
| Hideo Nomo (26) | 1.0557 | 1995 | R | |
| 467. | Bob Caruthers (22) | 1.0559 | 1886 | R |
| 468. | Mordecai Brown+ (28) | 1.0562 | 1905 | R |
| 469. | Carl Hubbell+ (29) | 1.0563 | 1932 | L |
| 470. | Ted Lilly (33) | 1.0565 | 2009 | L |
| 471. | Rick Reuschel (36) | 1.0567 | 1985 | R |
| 472. | Roger Clemens (25) | 1.0568 | 1988 | R |
| Mike Scott (34) | 1.0568 | 1989 | R | |
| Rube Vickers (30) | 1.0568 | 1908 | R | |
| 475. | Wilbur Cooper (27) | 1.0570 | 1919 | L |
| Andy Messersmith (29) | 1.0570 | 1975 | R | |
| 477. | Mike Krukow (34) | 1.0571 | 1986 | R |
| 478. | Joe Benz (29) | 1.0573 | 1915 | R |
| Justin Verlander (29) | 1.0573 | 2012 | R | |
| 480. | Jim Hardin (24) | 1.0574 | 1968 | R |
| Felix Hernandez (24) | 1.0574 | 2010 | R | |
| 482. | Jimmy Key (26) | 1.0575 | 1987 | L |
| 483. | Jim Bouton (25) | 1.0577 | 1964 | R |
| Warren Spahn+ (32) | 1.0577 | 1953 | L | |
| 485. | Sid Fernandez (26) | 1.0578 | 1989 | L |
| Whit Wyatt (33) | 1.0578 | 1941 | R | |
| 487. | Mel Queen (25) | 1.0579 | 1967 | R |
| 488. | Phil Niekro+ (28) | 1.0580 | 1967 | R |
| 489. | Jerry Koosman (26) | 1.0581 | 1969 | L |
| Bret Saberhagen (21) | 1.0581 | 1985 | R | |
| Sonny Siebert (29) | 1.0581 | 1966 | R | |
| 492. | Lefty Tyler (28) | 1.0582 | 1918 | L |
| 493. | Guy Hecker (29) | 1.0583 | 1885 | R |
| Eddie Plank+ (30) | 1.0583 | 1906 | L | |
| 495. | Doc White (28) | 1.0584 | 1907 | L |
| 496. | Barney Pelty (28) | 1.0585 | 1909 | R |
| 497. | Slim Sallee (34) | 1.0586 | 1919 | L |
| 498. | Fred Glade (28) | 1.0588 | 1904 | R |
| 499. | John Candelaria (22) | 1.0591 | 1976 | L |
| 500. | Noodles Hahn (23) | 1.0592 | 1902 | L |
| Rank | Player (age that year) | Walks & Hits per IP | Year | Throws |
| Carl Hubbell+ (33) | 1.0592 | 1936 | L |
Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.