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Elliott, Kalb, MLB Network:From MLB Network’s launch on January 1, 2009—when I used baseballreference.com’s play...
Single-Season Leaders & Records for Strikeouts per 9 IP
Baseball Leaders & Baseball Records:
Single-Season
Career
Active
Progressive
Year-by-Year Top-Tens
Yearly League
+ - Indicates Hall of Famer. Bold indicates active player.
Statistic Description: 9 x SO / 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) | Strikeouts per 9 IP | Year | Throws |
|---|---|---|---|---|
| 1. | Randy Johnson (37) | 13.4099 | 2001 | L |
| 2. | Pedro Martinez (27) | 13.2047 | 1999 | R |
| 3. | Kerry Wood (21) | 12.5820 | 1998 | R |
| 4. | Randy Johnson (36) | 12.5590 | 2000 | L |
| 5. | Randy Johnson (31) | 12.3453 | 1995 | L |
| 6. | Randy Johnson (33) | 12.2958 | 1997 | L |
| 7. | Randy Johnson (34) | 12.1187 | 1998 | L |
| 8. | Randy Johnson (35) | 12.0589 | 1999 | L |
| 9. | Pedro Martinez (28) | 11.7788 | 2000 | R |
| 10. | Randy Johnson (38) | 11.5615 | 2002 | L |
| 11. | Nolan Ryan+ (40) | 11.4803 | 1987 | R |
| 12. | Dwight Gooden (19) | 11.3945 | 1984 | R |
| 13. | Pedro Martinez (25) | 11.3743 | 1997 | R |
| 14. | Kerry Wood (26) | 11.3460 | 2003 | R |
| 15. | Nolan Ryan+ (42) | 11.3189 | 1989 | R |
| 16. | Curt Schilling (30) | 11.2883 | 1997 | R |
| 17. | Kerry Wood (24) | 11.2027 | 2001 | R |
| 18. | Hideo Nomo (26) | 11.1010 | 1995 | R |
| 19. | Max Scherzer (27) | 11.0782 | 2012 | R |
| 20. | Oliver Perez (22) | 10.9745 | 2004 | L |
| 21. | Curt Schilling (35) | 10.9666 | 2002 | R |
| 22. | Erik Bedard (28) | 10.9286 | 2007 | L |
| 23. | Randy Johnson (29) | 10.8564 | 1993 | L |
| 24. | Pedro Martinez (30) | 10.7910 | 2002 | R |
| 25. | Sam McDowell (22) | 10.7143 | 1965 | L |
| 26. | Randy Johnson (30) | 10.6744 | 1994 | L |
| 27. | Randy Johnson (40) | 10.6242 | 2004 | L |
| 28. | Nolan Ryan+ (26) | 10.5736 | 1973 | R |
| 29. | Nolan Ryan+ (44) | 10.5607 | 1991 | R |
| 30. | Sandy Koufax+ (26) | 10.5461 | 1962 | L |
| 31. | Zack Greinke (27) | 10.5379 | 2011 | R |
| 32. | Tim Lincecum (24) | 10.5066 | 2008 | R |
| 33. | Johan Santana (25) | 10.4605 | 2004 | L |
| 34. | Mark Prior (22) | 10.4338 | 2003 | R |
| 35. | Nolan Ryan+ (25) | 10.4261 | 1972 | R |
| 36. | Tim Lincecum (25) | 10.4246 | 2009 | R |
| 37. | Sam McDowell (23) | 10.4202 | 1966 | L |
| 38. | Scott Kazmir (23) | 10.4081 | 2007 | L |
| 39. | Yu Darvish (25) | 10.3955 | 2012 | R |
| 40. | Roger Clemens (35) | 10.3935 | 1998 | R |
| 41. | Curt Schilling (36) | 10.3929 | 2003 | R |
| 42. | Nolan Ryan+ (29) | 10.3505 | 1976 | R |
| 43. | Randy Johnson (28) | 10.3122 | 1992 | L |
| 44. | Curt Schilling (34) | 10.2740 | 2001 | R |
| 45. | Nolan Ryan+ (30) | 10.2642 | 1977 | R |
| 46. | David Cone (34) | 10.2462 | 1997 | R |
| 47. | Sandy Koufax+ (29) | 10.2423 | 1965 | L |
| 48. | Nolan Ryan+ (43) | 10.2353 | 1990 | R |
| 49. | Randy Johnson (27) | 10.1921 | 1991 | L |
| 50. | Brandon Morrow (26) | 10.1877 | 2011 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| 51. | Mark Prior (24) | 10.1520 | 2005 | R |
| 52. | Bartolo Colon (27) | 10.1489 | 2000 | R |
| 53. | Sandy Koufax+ (24) | 10.1314 | 1960 | L |
| 54. | Hideo Nomo (28) | 10.1141 | 1997 | R |
| 55. | Justin Verlander (26) | 10.0875 | 2009 | R |
| 56. | Curt Schilling (31) | 10.0496 | 1998 | R |
| 57. | Jason Schmidt (31) | 10.0400 | 2004 | R |
| 58. | Ben Sheets (25) | 10.0253 | 2004 | R |
| 59. | Mike Scott (31) | 10.0024 | 1986 | R |
| 60. | Hideo Nomo (32) | 10.0000 | 2001 | R |
| 61. | Rick Ankiel (20) | 9.9771 | 2000 | L |
| 62. | Nolan Ryan+ (31) | 9.9716 | 1978 | R |
| 63. | Jon Lester (25) | 9.9590 | 2009 | L |
| 64. | Roger Clemens (34) | 9.9545 | 1997 | R |
| 65. | Pedro Martinez (31) | 9.9321 | 2003 | R |
| 66. | Nolan Ryan+ (27) | 9.9289 | 1974 | R |
| 67. | Roger Clemens (25) | 9.9205 | 1988 | R |
| 68. | David Cone (27) | 9.9071 | 1990 | R |
| 69. | J.R. Richard (28) | 9.9044 | 1978 | R |
| 70. | Yovani Gallardo (23) | 9.8887 | 2009 | R |
| 71. | Andy Benes (26) | 9.8704 | 1994 | R |
| 72. | Nolan Ryan+ (39) | 9.8090 | 1986 | R |
| 73. | John Smoltz (29) | 9.7924 | 1996 | R |
| 74. | Tim Lincecum (26) | 9.7912 | 2010 | R |
| 75. | Javier Vazquez (32) | 9.7660 | 2009 | R |
| 76. | Jonathan Sanchez (26) | 9.7531 | 2009 | L |
| 77. | Clayton Kershaw (21) | 9.7368 | 2009 | L |
| 78. | Jon Lester (26) | 9.7356 | 2010 | L |
| 79. | Yovani Gallardo (24) | 9.7297 | 2010 | R |
| 80. | Herb Score (22) | 9.6994 | 1955 | L |
| 81. | Jake Peavy (26) | 9.6716 | 2007 | R |
| 82. | Pedro Martinez (26) | 9.6676 | 1998 | R |
| 83. | Johan Santana (28) | 9.6575 | 2007 | L |
| 84. | Nolan Ryan+ (37) | 9.6534 | 1984 | R |
| 85. | J.R. Richard (29) | 9.6363 | 1979 | R |
| 86. | Roger Clemens (39) | 9.6000 | 2002 | R |
| 87. | Jake Peavy (24) | 9.5764 | 2005 | R |
| 88. | Mario Soto (25) | 9.5705 | 1982 | R |
| 89. | Clayton Kershaw (23) | 9.5657 | 2011 | L |
| 90. | Jake Peavy (25) | 9.5634 | 2006 | R |
| 91. | A.J. Burnett (30) | 9.5614 | 2007 | R |
| 92. | Tom Griffin (21) | 9.5575 | 1969 | R |
| 93. | Jonathan Sanchez (27) | 9.5431 | 2010 | L |
| 94. | Roger Clemens (33) | 9.5316 | 1996 | R |
| 95. | Jim Maloney (23) | 9.5273 | 1963 | R |
| 96. | Jason Schmidt (29) | 9.5180 | 2002 | R |
| 97. | Sid Fernandez (22) | 9.5108 | 1985 | L |
| 98. | Zack Greinke (25) | 9.4971 | 2009 | R |
| 99. | Herb Score (23) | 9.4933 | 1956 | L |
| 100. | Ricky Nolasco (26) | 9.4865 | 2009 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| 101. | Sandy Koufax+ (25) | 9.4694 | 1961 | L |
| 102. | Sam McDowell (25) | 9.4684 | 1968 | L |
| 103. | Edinson Volquez (24) | 9.4592 | 2008 | R |
| 104. | Matt Clement (29) | 9.4475 | 2004 | R |
| 105. | Matt Clement (27) | 9.4390 | 2002 | R |
| 106. | Francisco Liriano (26) | 9.4383 | 2010 | L |
| 107. | Johan Santana (27) | 9.4365 | 2006 | L |
| 108. | Pedro Martinez (32) | 9.4147 | 2004 | R |
| 109. | David Cone (29) | 9.4085 | 1992 | R |
| 110. | Frank Tanana (21) | 9.4080 | 1975 | L |
| 111. | Javier Vazquez (26) | 9.4032 | 2003 | R |
| 112. | Don Wilson (24) | 9.4000 | 1969 | R |
| 113. | A.J. Burnett (31) | 9.3931 | 2008 | R |
| 114. | Jorge De La Rosa (28) | 9.3892 | 2009 | L |
| 115. | Jake Peavy (23) | 9.3607 | 2004 | R |
| 116. | Jered Weaver (27) | 9.3477 | 2010 | R |
| 117. | Gio Gonzalez (26) | 9.3462 | 2012 | L |
| 118. | Bob Veale (29) | 9.3383 | 1965 | L |
| 119. | Clayton Kershaw (22) | 9.3377 | 2010 | L |
| 120. | Nolan Ryan+ (41) | 9.3273 | 1988 | R |
| 121. | David Cone (28) | 9.3223 | 1991 | R |
| 122. | John Smoltz (31) | 9.2863 | 1998 | R |
| 123. | Jeff Samardzija (27) | 9.2748 | 2012 | R |
| 124. | Anibal Sanchez (27) | 9.2598 | 2011 | R |
| 125. | Johan Santana (26) | 9.2460 | 2005 | L |
| 126. | Luis Tiant (26) | 9.2246 | 1967 | R |
| 127. | Hideo Nomo (27) | 9.2234 | 1996 | R |
| 128. | Pedro Martinez (24) | 9.2215 | 1996 | R |
| 129. | Brandon Duckworth (26) | 9.2209 | 2002 | R |
| 130. | Mark Langston (25) | 9.2131 | 1986 | L |
| 131. | Mat Latos (22) | 9.2112 | 2010 | R |
| 132. | Cliff Lee (32) | 9.2063 | 2011 | L |
| 133. | Lance Lynn (25) | 9.2045 | 2012 | R |
| 134. | Luis Tiant (27) | 9.1974 | 1968 | R |
| 135. | Dave Boswell (21) | 9.1949 | 1966 | R |
| 136. | Max Scherzer (24) | 9.1937 | 2009 | R |
| 137. | Tim Lincecum (28) | 9.1935 | 2012 | R |
| 138. | Sam McDowell (21) | 9.1904 | 1964 | L |
| 139. | Roger Clemens (41) | 9.1540 | 2004 | R |
| 140. | Kerry Wood (25) | 9.1404 | 2002 | R |
| 141. | Tim Lincecum (27) | 9.1244 | 2011 | R |
| 142. | Josh Johnson (26) | 9.1143 | 2010 | R |
| 143. | Sonny Siebert (28) | 9.1113 | 1965 | R |
| 144. | Michael Pineda (22) | 9.1053 | 2011 | R |
| 145. | Cole Hamels (26) | 9.1006 | 2010 | L |
| 146. | Sid Fernandez (25) | 9.0963 | 1988 | L |
| 147. | Orlando Hernandez (40) | 9.0924 | 2006 | R |
| 148. | Tom Seaver+ (26) | 9.0838 | 1971 | R |
| 149. | Sid Fernandez (27) | 9.0836 | 1990 | L |
| 150. | David Cone (35) | 9.0578 | 1998 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| 151. | Clayton Kershaw (24) | 9.0527 | 2012 | L |
| 152. | Dennis Eckersley+ (21) | 9.0301 | 1976 | R |
| 153. | Cole Hamels (28) | 9.0279 | 2012 | L |
| 154. | Justin Verlander (29) | 9.0252 | 2012 | R |
| 155. | John Smoltz (28) | 9.0156 | 1995 | R |
| 156. | Chad Billingsley (23) | 9.0150 | 2008 | R |
| 157. | Jason Schmidt (30) | 9.0144 | 2003 | R |
| 158. | Nolan Ryan+ (32) | 9.0135 | 1979 | R |
| 159. | Kevin Brown (33) | 9.0000 | 1998 | R |
| Yovani Gallardo (26) | 9.0000 | 2012 | R | |
| Darryl Kile (27) | 9.0000 | 1996 | R | |
| Sandy Koufax+ (28) | 9.0000 | 1964 | L | |
| Chris Sale (23) | 9.0000 | 2012 | L | |
| 164. | Sam McDowell (24) | 8.9873 | 1967 | L |
| 165. | Yovani Gallardo (25) | 8.9855 | 2011 | R |
| 166. | Sam McDowell (27) | 8.9705 | 1970 | L |
| 167. | Justin Verlander (28) | 8.9641 | 2011 | R |
| 168. | Bobby Witt (26) | 8.9595 | 1990 | R |
| 169. | Matt Garza (27) | 8.9545 | 2011 | R |
| 170. | A.J. Burnett (25) | 8.9413 | 2002 | R |
| 171. | Curt Schilling (29) | 8.9345 | 1996 | R |
| 172. | Jose Rijo (29) | 8.9304 | 1994 | R |
| 173. | CC Sabathia (27) | 8.9289 | 2008 | L |
| 174. | Jim Maloney (24) | 8.9167 | 1964 | R |
| 175. | Andy Benes (29) | 8.8983 | 1997 | R |
| 176. | Kent Mercker (26) | 8.8932 | 1994 | L |
| 177. | Jose Rijo (23) | 8.8889 | 1988 | R |
| 178. | Matt Moore (23) | 8.8816 | 2012 | L |
| 179. | Josh Beckett (28) | 8.8795 | 2008 | R |
| 180. | CC Sabathia (31) | 8.8650 | 2012 | L |
| 181. | Roger Clemens (31) | 8.8594 | 1994 | R |
| 182. | R.A. Dickey (37) | 8.8588 | 2012 | R |
| 183. | Sandy Koufax+ (27) | 8.8553 | 1963 | L |
| 184. | Javier Vazquez (30) | 8.8477 | 2007 | R |
| 185. | Oliver Perez (25) | 8.8475 | 2007 | L |
| 186. | Pedro Astacio (31) | 8.8472 | 2000 | R |
| 187. | Daisuke Matsuzaka (26) | 8.8388 | 2007 | R |
| 188. | Pedro Martinez (22) | 8.8341 | 1994 | R |
| 189. | Sandy Koufax+ (30) | 8.8328 | 1966 | L |
| 190. | Carlos Zambrano (25) | 8.8318 | 2006 | R |
| 191. | Cliff Lee (33) | 8.8294 | 2012 | L |
| 192. | Bud Norris (27) | 8.8218 | 2012 | R |
| 193. | Kevin Appier (28) | 8.8155 | 1996 | R |
| James Shields (30) | 8.8155 | 2012 | R | |
| 195. | Sam McDowell (26) | 8.8105 | 1969 | L |
| 196. | Sid Fernandez (23) | 8.8091 | 1986 | L |
| 197. | Nolan Ryan+ (35) | 8.8083 | 1982 | R |
| 198. | Todd Stottlemyre (30) | 8.7997 | 1995 | R |
| 199. | Ervin Santana (25) | 8.7945 | 2008 | R |
| 200. | Justin Verlander (27) | 8.7860 | 2010 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| 201. | Gio Gonzalez (25) | 8.7772 | 2011 | L |
| 202. | Colby Lewis (30) | 8.7761 | 2010 | R |
| 203. | Tom Seaver+ (25) | 8.7626 | 1970 | R |
| 204. | Al Downing (22) | 8.7609 | 1963 | L |
| 205. | Dan Haren (28) | 8.7515 | 2009 | R |
| 206. | David Price (25) | 8.7459 | 2011 | L |
| 207. | David Price (26) | 8.7441 | 2012 | L |
| 208. | Bob Moose (21) | 8.7353 | 1969 | R |
| 209. | Mike Mussina (28) | 8.7329 | 1997 | R |
| 210. | Steve Carlton+ (38) | 8.7250 | 1983 | L |
| 211. | CC Sabathia (30) | 8.7219 | 2011 | L |
| 212. | Dwight Gooden (20) | 8.7181 | 1985 | R |
| 213. | Steve Carlton+ (37) | 8.7057 | 1982 | L |
| 214. | Josh Beckett (27) | 8.7010 | 2007 | R |
| 215. | Roger Clemens (38) | 8.7005 | 2001 | R |
| 216. | Ryan Dempster (33) | 8.6935 | 2010 | R |
| Brett Myers (24) | 8.6935 | 2005 | R | |
| 218. | Juan Pizarro (24) | 8.6918 | 1961 | L |
| 219. | Mickey Lolich (28) | 8.6900 | 1969 | L |
| 220. | Cole Hamels (23) | 8.6891 | 2007 | L |
| 221. | Ubaldo Jimenez (26) | 8.6887 | 2010 | R |
| 222. | Chris Young (28) | 8.6879 | 2007 | R |
| 223. | Vida Blue (21) | 8.6827 | 1971 | L |
| 224. | Hugh Daily (36) | 8.6824 | 1884 | R |
| 225. | Mark Langston (26) | 8.6691 | 1987 | L |
| 226. | Bob Johnson (27) | 8.6636 | 1970 | R |
| 227. | Al Leiter (34) | 8.6538 | 2000 | L |
| 228. | Jim Maloney (26) | 8.6528 | 1966 | R |
| 229. | Felix Hernandez (26) | 8.6509 | 2012 | R |
| 230. | Chuck Finley (32) | 8.6453 | 1995 | L |
| 231. | Chan Ho Park (27) | 8.6416 | 2000 | R |
| 232. | Javier Vazquez (31) | 8.6400 | 2008 | R |
| 233. | Jason Schmidt (32) | 8.6337 | 2005 | R |
| 234. | Pedro Martinez (33) | 8.6267 | 2005 | R |
| 235. | Dwight Gooden (25) | 8.6261 | 1990 | R |
| 236. | Jeff Fassero (33) | 8.6245 | 1996 | L |
| 237. | Bruce Hurst (28) | 8.6214 | 1986 | L |
| 238. | John Smoltz (40) | 8.6207 | 2007 | R |
| 239. | Barry Zito (23) | 8.6081 | 2001 | L |
| 240. | Mario Soto (23) | 8.6060 | 1980 | R |
| 241. | Jake Peavy (27) | 8.6027 | 2008 | R |
| 242. | Ubaldo Jimenez (27) | 8.6018 | 2011 | R |
| 243. | Jim Maloney (25) | 8.6005 | 1965 | R |
| 244. | Brett Myers (25) | 8.5909 | 2006 | R |
| 245. | Dan Haren (27) | 8.5833 | 2008 | R |
| 246. | Hideo Nomo (31) | 8.5737 | 2000 | R |
| 247. | Edinson Volquez (28) | 8.5730 | 2012 | R |
| 248. | John Lackey (26) | 8.5694 | 2005 | R |
| 249. | Brandon Webb (24) | 8.5683 | 2003 | R |
| 250. | Mat Latos (23) | 8.5678 | 2011 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| 251. | Ramon Martinez (22) | 8.5647 | 1990 | R |
| 252. | Tom Seaver+ (27) | 8.5534 | 1972 | R |
| 253. | Felix Hernandez (25) | 8.5506 | 2011 | R |
| 254. | Jon Lester (27) | 8.5461 | 2011 | L |
| 255. | Dick Selma (25) | 8.5437 | 1969 | R |
| 256. | Chuck Finley (35) | 8.5433 | 1998 | L |
| 257. | CC Sabathia (20) | 8.5342 | 2001 | L |
| 258. | A.J. Burnett (28) | 8.5263 | 2005 | R |
| 259. | Bud Norris (26) | 8.5161 | 2011 | R |
| 260. | Robert Person (30) | 8.5154 | 2000 | R |
| 261. | Chuck Finley (34) | 8.5061 | 1997 | L |
| 262. | Ryan Dempster (34) | 8.4959 | 2011 | R |
| 263. | Jeremy Bonderman (23) | 8.4953 | 2006 | R |
| 264. | Bob Veale (33) | 8.4948 | 1969 | L |
| 265. | Sterling Hitchcock (28) | 8.4895 | 1999 | L |
| 266. | John Maine (26) | 8.4817 | 2007 | R |
| 267. | Steve Carlton+ (36) | 8.4789 | 1981 | L |
| 268. | A.J. Burnett (32) | 8.4783 | 2009 | R |
| 269. | Zack Greinke (28) | 8.4772 | 2012 | R |
| 270. | Roy Halladay (34) | 8.4736 | 2011 | R |
| 271. | John Smoltz (30) | 8.4727 | 1997 | R |
| 272. | Andy Benes (27) | 8.4716 | 1995 | R |
| 273. | Aaron Harang (29) | 8.4691 | 2007 | R |
| 274. | Steve Carlton+ (35) | 8.4671 | 1980 | L |
| 275. | Mike Scott (32) | 8.4670 | 1987 | R |
| 276. | Dave Burba (33) | 8.4669 | 2000 | R |
| 277. | Max Scherzer (25) | 8.4634 | 2010 | R |
| 278. | Randy Johnson (44) | 8.4620 | 2008 | L |
| 279. | Mark Langston (28) | 8.4600 | 1989 | L |
| 280. | Floyd Bannister (30) | 8.4589 | 1985 | L |
| 281. | Hal Newhouser+ (25) | 8.4567 | 1946 | L |
| 282. | Nolan Ryan+ (34) | 8.4564 | 1981 | R |
| 283. | Nolan Ryan+ (28) | 8.4545 | 1975 | R |
| 284. | Kevin Brown (35) | 8.4522 | 2000 | R |
| 285. | Matt Cain (21) | 8.4493 | 2006 | R |
| 286. | Tom Gordon (21) | 8.4479 | 1989 | R |
| 287. | Rich Hill (27) | 8.4462 | 2007 | L |
| 288. | Wandy Rodriguez (30) | 8.4457 | 2009 | L |
| 289. | Chuck Finley (36) | 8.4375 | 1999 | L |
| 290. | Josh Beckett (29) | 8.4349 | 2009 | R |
| 291. | Bob Feller+ (27) | 8.4345 | 1946 | R |
| 292. | Roger Clemens (23) | 8.4331 | 1986 | R |
| 293. | Fernando Valenzuela (20) | 8.4229 | 1981 | L |
| 294. | Mike Mussina (32) | 8.4227 | 2001 | R |
| 295. | Kevin Appier (26) | 8.4194 | 1994 | R |
| Scott Kazmir (21) | 8.4194 | 2005 | L | |
| 297. | Randy Johnson (41) | 8.4151 | 2005 | L |
| 298. | Kevin Millwood (23) | 8.4149 | 1998 | R |
| 299. | Doug Davis (29) | 8.4072 | 2005 | L |
| 300. | Ed Correa (20) | 8.4069 | 1986 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| 301. | Darren Dreifort (26) | 8.4000 | 1998 | R |
| 302. | Madison Bumgarner (21) | 8.3990 | 2011 | L |
| 303. | Sam Jones (30) | 8.3958 | 1956 | R |
| 304. | John Patterson (27) | 8.3950 | 2005 | R |
| 305. | Randy Wolf (24) | 8.3926 | 2001 | L |
| 306. | Rube Waddell+ (26) | 8.3889 | 1903 | L |
| 307. | Nolan Ryan+ (36) | 8.3888 | 1983 | R |
| 308. | Bob Gibson+ (34) | 8.3878 | 1970 | R |
| 309. | Chan Ho Park (28) | 8.3846 | 2001 | R |
| 310. | Matt Garza (25) | 8.3793 | 2009 | R |
| 311. | Jason Bere (30) | 8.3777 | 2001 | R |
| 312. | Javier Vazquez (24) | 8.3696 | 2001 | R |
| 313. | Felix Hernandez (24) | 8.3632 | 2010 | R |
| 314. | Josh Beckett (25) | 8.3619 | 2005 | R |
| 315. | Al Leiter (30) | 8.3591 | 1996 | L |
| 316. | Oliver Perez (26) | 8.3505 | 2008 | L |
| 317. | Mickey Lolich (24) | 8.3475 | 1965 | L |
| 318. | Adam Wainwright (30) | 8.3356 | 2012 | R |
| 319. | Don Sutton+ (21) | 8.3353 | 1966 | R |
| 320. | Adam Wainwright (28) | 8.3227 | 2010 | R |
| 321. | Shane Reynolds (27) | 8.3187 | 1995 | R |
| 322. | Ryan Dempster (23) | 8.3108 | 2000 | R |
| 323. | Jose DeLeon (27) | 8.3077 | 1988 | R |
| 324. | C.J. Wilson (30) | 8.3015 | 2011 | L |
| 325. | Floyd Youmans (22) | 8.3014 | 1986 | R |
| 326. | Aaron Harang (28) | 8.2959 | 2006 | R |
| 327. | Tommy Hanson (25) | 8.2958 | 2012 | R |
| 328. | Felix Hernandez (20) | 8.2932 | 2006 | R |
| 329. | Jim Bunning+ (33) | 8.2887 | 1965 | R |
| 330. | David Cone (25) | 8.2867 | 1988 | R |
| 331. | Todd Stottlemyre (33) | 8.2827 | 1998 | R |
| 332. | Roger Clemens (37) | 8.2806 | 2000 | R |
| 333. | James Shields (28) | 8.2770 | 2010 | R |
| 334. | Fernando Valenzuela (23) | 8.2759 | 1984 | L |
| 335. | Dan Haren (29) | 8.2723 | 2010 | R |
| 336. | Kevin Appier (27) | 8.2699 | 1995 | R |
| 337. | Scott Olsen (22) | 8.2694 | 2006 | L |
| 338. | Daisuke Matsuzaka (27) | 8.2664 | 2008 | R |
| 339. | Teddy Higuera (29) | 8.2548 | 1987 | L |
| 340. | Madison Bumgarner (22) | 8.2512 | 2012 | L |
| Kelvim Escobar (28) | 8.2512 | 2004 | R | |
| 342. | Dave Boswell (22) | 8.2455 | 1967 | R |
| 343. | Jose DeLeon (24) | 8.2439 | 1985 | R |
| 344. | David Cone (36) | 8.2397 | 1999 | R |
| 345. | Roger Clemens (27) | 8.2380 | 1990 | R |
| 346. | Pedro Ramos (28) | 8.2365 | 1963 | R |
| 347. | Herb Score (26) | 8.2344 | 1959 | L |
| 348. | Jon Lieber (29) | 8.2328 | 1999 | R |
| 349. | Esteban Loaiza (31) | 8.2312 | 2003 | R |
| 350. | Don Drysdale+ (23) | 8.2305 | 1960 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| Chris Young (27) | 8.2305 | 2006 | R | |
| 352. | Josh Johnson (25) | 8.2249 | 2009 | R |
| 353. | Mark Langston (33) | 8.2207 | 1994 | L |
| 354. | Juan Guzman (25) | 8.2196 | 1992 | R |
| 355. | Jeremy Bonderman (21) | 8.2174 | 2004 | R |
| Hideo Nomo (30) | 8.2174 | 1999 | R | |
| 357. | Wandy Rodriguez (31) | 8.2154 | 2010 | L |
| 358. | Chuck Finley (39) | 8.2133 | 2002 | L |
| 359. | Roy Oswalt (32) | 8.2063 | 2010 | R |
| 360. | Chad Billingsley (24) | 8.2054 | 2009 | R |
| 361. | Rube Waddell+ (27) | 8.2010 | 1904 | L |
| 362. | Adam Wainwright (27) | 8.1888 | 2009 | R |
| 363. | John Smoltz (39) | 8.1853 | 2006 | R |
| 364. | Felix Hernandez (23) | 8.1830 | 2009 | R |
| 365. | A.J. Burnett (34) | 8.1804 | 2011 | R |
| 366. | Roger Clemens (24) | 8.1799 | 1987 | R |
| 367. | Gary Nolan (19) | 8.1794 | 1967 | R |
| 368. | Jose Rijo (21) | 8.1790 | 1986 | R |
| 369. | Ian Snell (24) | 8.1774 | 2006 | R |
| 370. | Mike Mussina (34) | 8.1755 | 2003 | R |
| 371. | Ubaldo Jimenez (25) | 8.1743 | 2009 | R |
| 372. | Johnny Cueto (22) | 8.1724 | 2008 | R |
| 373. | Melido Perez (27) | 8.1718 | 1993 | R |
| 374. | Roger Clemens (26) | 8.1711 | 1989 | R |
| Javier Vazquez (29) | 8.1711 | 2006 | R | |
| 376. | Justin Verlander (24) | 8.1669 | 2007 | R |
| 377. | Aaron Sele (29) | 8.1659 | 1999 | R |
| 378. | Josh Beckett (31) | 8.1606 | 2011 | R |
| 379. | Mark Langston (23) | 8.1600 | 1984 | L |
| 380. | Jerry Reuss (23) | 8.1563 | 1972 | L |
| 381. | Ron Guidry (27) | 8.1559 | 1978 | L |
| 382. | Frank Tanana (22) | 8.1468 | 1976 | L |
| 383. | Pedro Astacio (30) | 8.1466 | 1999 | R |
| 384. | Ryan Dempster (31) | 8.1435 | 2008 | R |
| 385. | Carlos Zambrano (24) | 8.1403 | 2005 | R |
| 386. | Zack Greinke (24) | 8.1400 | 2008 | R |
| 387. | Bartolo Colon (28) | 8.1364 | 2001 | R |
| 388. | Ken Johnson (29) | 8.1320 | 1962 | R |
| 389. | Chuck Finley (33) | 8.1303 | 1996 | L |
| 390. | Chris Capuano (32) | 8.1290 | 2011 | L |
| 391. | Bob Gibson+ (29) | 8.1271 | 1965 | R |
| 392. | Sid Fernandez (26) | 8.1246 | 1989 | L |
| 393. | James Shields (29) | 8.1217 | 2011 | R |
| 394. | Jerry Koosman (29) | 8.1166 | 1972 | L |
| 395. | Al Leiter (32) | 8.1140 | 1998 | L |
| 396. | David Price (24) | 8.1086 | 2010 | L |
| 397. | Nolan Ryan+ (38) | 8.1078 | 1985 | R |
| 398. | Shawn Estes (24) | 8.1045 | 1997 | L |
| 399. | Javier Vazquez (23) | 8.1041 | 2000 | R |
| 400. | Sam Jones (32) | 8.1000 | 1958 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| Jim Lonborg (25) | 8.1000 | 1967 | R | |
| 402. | Cliff Lee (25) | 8.0950 | 2004 | L |
| 403. | Mark Langston (27) | 8.0931 | 1988 | L |
| 404. | Kevin Millwood (24) | 8.0921 | 1999 | R |
| 405. | Sid Fernandez (29) | 8.0916 | 1992 | L |
| 406. | Ted Lilly (32) | 8.0912 | 2008 | L |
| 407. | Fernando Valenzuela (25) | 8.0866 | 1986 | L |
| 408. | Ivan Nova (25) | 8.0841 | 2012 | R |
| 409. | Cole Hamels (27) | 8.0833 | 2011 | L |
| 410. | Jose DeLeon (29) | 8.0803 | 1990 | R |
| 411. | Roger Clemens (40) | 8.0787 | 2003 | R |
| Carlos Zambrano (28) | 8.0787 | 2009 | R | |
| 413. | Ian Kennedy (27) | 8.0784 | 2012 | R |
| 414. | Curt Schilling (39) | 8.0735 | 2006 | R |
| 415. | Carlos Zambrano (23) | 8.0700 | 2004 | R |
| 416. | Jason Bere (23) | 8.0682 | 1994 | R |
| 417. | Sterling Hitchcock (27) | 8.0643 | 1998 | L |
| 418. | Tom Gordon (22) | 8.0631 | 1990 | R |
| 419. | Shane Reynolds (30) | 8.0614 | 1998 | R |
| 420. | Curt Schilling (37) | 8.0603 | 2004 | R |
| 421. | Mickey Lolich (27) | 8.0591 | 1968 | L |
| 422. | Chan Ho Park (26) | 8.0583 | 1999 | R |
| 423. | Steve Carlton+ (27) | 8.0558 | 1972 | L |
| 424. | Tony Armas (23) | 8.0542 | 2001 | R |
| 425. | Sam McDowell (28) | 8.0497 | 1971 | L |
| 426. | Tony Saunders (24) | 8.0485 | 1998 | L |
| 427. | Don Drysdale+ (22) | 8.0468 | 1959 | R |
| 428. | Erik Hanson (25) | 8.0466 | 1990 | R |
| 429. | Bob Veale (28) | 8.0453 | 1964 | L |
| 430. | Pedro Martinez (23) | 8.0445 | 1995 | R |
| 431. | CC Sabathia (25) | 8.0346 | 2006 | L |
| 432. | Roy Oswalt (24) | 8.0343 | 2002 | R |
| 433. | Johnny Vander Meer (26) | 8.0324 | 1941 | L |
| 434. | Max Scherzer (26) | 8.0308 | 2011 | R |
| 435. | Chad Billingsley (25) | 8.0296 | 2010 | R |
| 436. | Ian Kennedy (26) | 8.0270 | 2011 | R |
| 437. | Dave Righetti (23) | 8.0164 | 1982 | L |
| 438. | Denny Neagle (25) | 8.0146 | 1994 | L |
| 439. | Javier Vazquez (28) | 8.0124 | 2005 | R |
| 440. | Bob Gibson+ (26) | 8.0114 | 1962 | R |
| 441. | A.J. Burnett (35) | 8.0066 | 2012 | R |
| 442. | Al Downing (23) | 8.0041 | 1964 | L |
| 443. | Steve Carlton+ (24) | 7.9972 | 1969 | L |
| 444. | Roger Clemens (28) | 7.9939 | 1991 | R |
| 445. | Floyd Bannister (28) | 7.9923 | 1983 | L |
| 446. | Shane Reynolds (26) | 7.9839 | 1994 | R |
| 447. | Bert Blyleven+ (23) | 7.9751 | 1974 | R |
| 448. | Jake Peavy (31) | 7.9726 | 2012 | R |
| 449. | Edwin Jackson (28) | 7.9719 | 2012 | R |
| 450. | Bill Singer (24) | 7.9701 | 1968 | R |
| Rank | Player (age that year) | Strikeouts per 9 IP | Year | Throws |
| 451. | Manny Parra (25) | 7.9699 | 2008 | L |
| 452. | Kevin Tapani (37) | 7.9663 | 2001 | R |
| 453. | Randy Wolf (26) | 7.9650 | 2003 | L |
| 454. | Ryan Dempster (35) | 7.9595 | 2012 | R |
| 455. | Mario Soto (26) | 7.9586 | 1983 | R |
| 456. | Todd Stottlemyre (32) | 7.9558 | 1997 | R |
| 457. | Mat Latos (24) | 7.9538 | 2012 | R |
| 458. | Mike Mussina (31) | 7.9523 | 2000 | R |
| 459. | Randy Johnson (26) | 7.9484 | 1990 | L |
| 460. | James McDonald (27) | 7.9474 | 2012 | R |
| 461. | Chris Bosio (24) | 7.9412 | 1987 | R |
| John Montefusco (25) | 7.9412 | 1975 | R | |
| 463. | Jose Rijo (28) | 7.9391 | 1993 | R |
| 464. | Bob Veale (31) | 7.9360 | 1967 | L |
| 465. | Kelvim Escobar (27) | 7.9353 | 2003 | R |
| 466. | Chris Carpenter (30) | 7.9324 | 2005 | R |
| 467. | Bob Veale (34) | 7.9307 | 1970 | L |
| 468. | Ted Lilly (30) | 7.9266 | 2006 | L |
| 469. | Jose Contreras (32) | 7.9256 | 2004 | R |
| 470. | Rich Harden (22) | 7.9244 | 2004 | R |
| 471. | Melido Perez (26) | 7.9219 | 1992 | R |
| 472. | Matt Cain (27) | 7.9195 | 2012 | R |
| 473. | Matt Kilroy (20) | 7.9194 | 1886 | L |
| 474. | Charlie Geggus (22) | 7.9173 | 1884 | |
| Bob Sebra (25) | 7.9173 | 1987 | R | |
| 476. | Bob Gibson+ (32) | 7.9168 | 1968 | R |
| 477. | Juan Guzman (29) | 7.9130 | 1996 | R |
| 478. | Johan Santana (29) | 7.9118 | 2008 | L |
| 479. | Robert Person (31) | 7.9056 | 2001 | R |
| 480. | Ray Culp (26) | 7.9045 | 1968 | R |
| 481. | Juan Guzman (26) | 7.9005 | 1993 | R |
| 482. | Tim Wakefield (34) | 7.8972 | 2001 | R |
| 483. | Fergie Jenkins+ (26) | 7.8919 | 1969 | R |
| 484. | Kevin Brown (38) | 7.8910 | 2003 | R |
| 485. | Mike Remlinger (32) | 7.8864 | 1998 | L |
| 486. | Freddy Garcia (27) | 7.8857 | 2004 | R |
| 487. | Johan Santana (30) | 7.8840 | 2009 | L |
| 488. | Ricky Nolasco (25) | 7.8838 | 2008 | R |
| 489. | Hideo Nomo (33) | 7.8835 | 2002 | R |
| 490. | Kevin Brown (34) | 7.8824 | 1999 | R |
| Camilo Pascual (27) | 7.8824 | 1961 | R | |
| 492. | Fergie Jenkins+ (27) | 7.8786 | 1970 | R |
| 493. | Roger Clemens (42) | 7.8785 | 2005 | R |
| 494. | Aaron Harang (31) | 7.8727 | 2009 | R |
| 495. | Wade Miller (25) | 7.8704 | 2002 | R |
| 496. | Mark Langston (29) | 7.8700 | 1990 | L |
| 497. | Jim Maloney (28) | 7.8696 | 1968 | R |
| 498. | Roy Halladay (33) | 7.8630 | 2010 | R |
| 499. | Rube Waddell+ (28) | 7.8590 | 1905 | L |
| 500. | John Lackey (27) | 7.8560 | 2006 | R |
Baseball Leaders & Baseball Records:
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Year-by-Year Top-Tens
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Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.
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