+ - Indicates Hall of Famer. Bold indicates active player.
Minimum of 1000 IP, 3000 PA, 500 games (fielding), 200 stolen base attempts (catchers) and 100 decisions for career and active leaderboards for rate statistics.
This statistic is computed from play-by-play data which is only complete from 1974 to the present. From 1950-1973, the data is incomplete, though for most seasons only less than 20 games per season total are missing. Please see our page on data coverage for a full view of the data used to create these lists.
Rank | Player (age) | Range Factor/9Inn as P | Throws |
---|---|---|---|
1. | Javier Lopez (33) | 3.310 | L |
2. | Brian Shouse | 3.308 | L |
3. | Roger McDowell | 3.228 | R |
4. | Greg Maddux | 3.126 | R |
5. | Dan Quisenberry | 3.090 | R |
6. | Juan Agosto | 3.067 | L |
7. | Greg Minton | 2.824 | R |
8. | Kenny Rogers | 2.761 | L |
9. | Gene Garber | 2.626 | R |
10. | Mariano Rivera (41) | 2.603 | R |
11. | Dale Murray | 2.602 | R |
12. | Kent Tekulve | 2.601 | R |
13. | Orel Hershiser | 2.590 | R |
14. | Rick Reuschel | 2.539 | R |
15. | Bob Stanley | 2.526 | R |
16. | Mike Myers | 2.504 | L |
17. | Mark Eichhorn | 2.450 | R |
18. | Chad Bradford | 2.442 | R |
19. | Jason Grimsley | 2.440 | R |
20. | Dennis Martinez | 2.436 | R |
21. | Jeff Shaw | 2.418 | R |
22. | Rheal Cormier | 2.417 | L |
23. | Danny Graves | 2.412 | R |
24. | Jamey Wright (36) | 2.399 | R |
25. | Ray King | 2.396 | L |
26. | Jim Acker | 2.392 | R |
27. | Joe Beimel (34) | 2.386 | L |
28. | J.C. Romero (35) | 2.376 | L |
29. | Dennis Lamp | 2.365 | R |
30. | Doug Brocail | 2.342 | R |
31. | Tim Burke | 2.324 | R |
32. | Mike Williams | 2.322 | R |
33. | Derek Lowe (38) | 2.302 | R |
34. | Tony Castillo | 2.300 | L |
35. | Tippy Martinez | 2.281 | L |
36. | Tom Glavine | 2.280 | L |
37. | Mike Maddux | 2.276 | R |
38. | Livan Hernandez (36) | 2.269 | R |
39. | Larry Andersen | 2.265 | R |
40. | Mike Morgan | 2.220 | R |
41. | Rick Honeycutt | 2.209 | L |
42. | Terry Adams | 2.204 | R |
43. | Mike Timlin | 2.196 | R |
44. | Turk Wendell | 2.190 | R |
45. | Jeff Robinson | 2.187 | R |
46. | Tom Candiotti | 2.156 | R |
Steve Howe | 2.156 | L | |
48. | Bill Campbell | 2.148 | R |
49. | John Franco | 2.146 | L |
50. | Chan Ho Park | 2.144 | R |
Rank | Player (age) | Range Factor/9Inn as P | Throws |
51. | Danys Baez (33) | 2.108 | R |
Tom Hume | 2.108 | R | |
53. | Tony Fossas | 2.107 | L |
54. | Salomon Torres | 2.106 | R |
55. | Jeff Russell | 2.103 | R |
56. | Rich Rodriguez | 2.072 | L |
57. | Mike DeJean | 2.062 | R |
58. | Julian Tavarez | 2.045 | R |
59. | Jeff Fassero | 2.042 | L |
60. | Paul Shuey | 2.032 | R |
61. | Bruce Sutter+ | 2.030 | R |
62. | Bob Forsch | 2.027 | R |
Jim Poole | 2.027 | L | |
64. | Shigetoshi Hasegawa | 2.024 | R |
Jamie Moyer | 2.024 | L | |
66. | Bob Wickman | 2.007 | R |
67. | Greg McMichael | 2.002 | R |
68. | Greg Harris | 1.993 | R |
69. | Jerry Reuss | 1.984 | L |
70. | Jeremy Affeldt (32) | 1.975 | L |
71. | Doyle Alexander | 1.974 | R |
72. | Phil Niekro+ | 1.972 | R |
73. | Scott Sauerbeck | 1.960 | L |
74. | Jeff Montgomery | 1.958 | R |
75. | John Smoltz | 1.954 | R |
76. | Greg Cadaret | 1.953 | L |
77. | Mike Fetters | 1.948 | R |
78. | Scott Schoeneweis | 1.935 | L |
79. | Trever Miller (38) | 1.930 | L |
80. | Frank DiPino | 1.926 | L |
81. | Tom Gordon | 1.925 | R |
82. | Ryan Dempster (34) | 1.921 | R |
83. | Gary Lavelle | 1.918 | L |
84. | Ray Burris | 1.914 | R |
85. | Jim Mecir | 1.912 | R |
86. | Steve Kline | 1.910 | L |
87. | Willie Hernandez | 1.909 | L |
88. | Charlie Hough | 1.904 | R |
89. | Joe Niekro | 1.901 | R |
90. | Jeff Suppan (36) | 1.899 | R |
91. | Jack Morris | 1.883 | R |
Heathcliff Slocumb | 1.883 | R | |
93. | Rick Aguilera | 1.882 | R |
94. | Doug Bair | 1.873 | R |
95. | Jason Isringhausen (38) | 1.870 | R |
96. | Jay Howell | 1.865 | R |
Steve Reed | 1.865 | R | |
98. | Ron Villone | 1.857 | L |
99. | Bob Welch | 1.854 | R |
100. | Andy Hassler | 1.850 | L |
Rank | Player (age) | Range Factor/9Inn as P | Throws |
101. | Frank Tanana | 1.843 | L |
102. | Mike Mussina | 1.839 | R |
103. | Elmer Dessens (40) | 1.838 | R |
104. | Curt Leskanic | 1.836 | R |
105. | Chad Qualls (32) | 1.833 | R |
Juan Rincon | 1.833 | R | |
107. | Darren Holmes | 1.828 | R |
108. | Rollie Fingers+ | 1.824 | R |
109. | Terry Mulholland | 1.821 | L |
110. | Rob Murphy | 1.820 | L |
111. | Scott Radinsky | 1.812 | L |
112. | Neil Allen | 1.798 | R |
113. | Jay Powell | 1.793 | R |
114. | Miguel Batista (40) | 1.788 | R |
115. | Jim Gott | 1.782 | R |
116. | Jose Mesa | 1.781 | R |
117. | LaTroy Hawkins (38) | 1.780 | R |
118. | Esteban Yan (36) | 1.779 | R |
119. | Chuck McElroy | 1.778 | L |
120. | Rick White | 1.774 | R |
121. | Dennys Reyes (34) | 1.761 | L |
122. | Jesse Orosco | 1.755 | L |
123. | Alan Mills | 1.747 | R |
124. | Bert Blyleven+ | 1.733 | R |
125. | Gene Nelson | 1.728 | R |
126. | Paul Quantrill | 1.724 | R |
127. | Jim Clancy | 1.719 | R |
128. | Elias Sosa | 1.717 | R |
129. | Dave Burba | 1.705 | R |
130. | Dick Tidrow | 1.703 | R |
131. | Steve Farr | 1.699 | R |
Darren Oliver (40) | 1.699 | L | |
133. | Sparky Lyle | 1.698 | L |
134. | Mike Stanton | 1.690 | L |
135. | Michael Jackson | 1.689 | R |
136. | Antonio Alfonseca | 1.688 | R |
137. | Norm Charlton | 1.681 | L |
138. | Mike Flanagan | 1.680 | L |
139. | Doug Jones | 1.676 | R |
140. | Gregg Olson | 1.661 | R |
141. | Joe Boever | 1.657 | R |
Danny Darwin | 1.657 | R | |
143. | Braden Looper | 1.653 | R |
144. | Mike Henneman | 1.644 | R |
145. | Roger Clemens | 1.638 | R |
146. | Craig Lefferts | 1.637 | L |
147. | Dennis Eckersley+ | 1.636 | R |
148. | Graeme Lloyd | 1.633 | L |
Ed Nunez | 1.633 | R | |
150. | Tug McGraw | 1.632 | L |
Rank | Player (age) | Range Factor/9Inn as P | Throws |
151. | Ron Reed | 1.629 | R |
152. | Rod Beck | 1.618 | R |
Jim Kaat | 1.618 | L | |
154. | Mel Rojas | 1.616 | R |
155. | Storm Davis | 1.611 | R |
156. | Tim Worrell | 1.605 | R |
157. | Ed Whitson | 1.602 | R |
158. | Hector Carrasco | 1.598 | R |
159. | Jeff Nelson | 1.596 | R |
160. | Bobby Witt | 1.594 | R |
161. | Ryan Franklin (38) | 1.587 | R |
162. | Don Sutton+ | 1.586 | R |
163. | Todd Jones | 1.576 | R |
164. | Greg Swindell | 1.572 | L |
165. | Dave LaRoche | 1.568 | L |
166. | David Wells | 1.566 | L |
167. | Tom Niedenfuer | 1.559 | R |
168. | Mike Trombley | 1.555 | R |
169. | Tim Wakefield (44) | 1.553 | R |
170. | Jason Christiansen | 1.549 | L |
171. | Tim Stoddard | 1.539 | R |
172. | Matt Herges | 1.522 | R |
173. | David Cone | 1.519 | R |
Don Robinson | 1.519 | R | |
175. | Bob McClure | 1.516 | L |
176. | Ricardo Rincon (41) | 1.513 | L |
177. | Guillermo Mota (37) | 1.509 | R |
178. | Keith Foulke | 1.507 | R |
179. | Francisco Cordero (36) | 1.506 | R |
180. | John Grabow (32) | 1.503 | L |
181. | Paul Assenmacher | 1.502 | L |
182. | Kent Mercker | 1.493 | L |
Mark Wohlers | 1.493 | R | |
184. | Jeff Parrett | 1.491 | R |
Dave Stewart | 1.491 | R | |
Dave Veres | 1.491 | R | |
187. | Ricky Bottalico | 1.489 | R |
188. | Scott Sanderson | 1.485 | R |
189. | George Frazier | 1.483 | R |
190. | David Weathers | 1.465 | R |
191. | Doug Henry | 1.464 | R |
192. | Roberto Hernandez | 1.462 | R |
Dan Spillner | 1.462 | R | |
194. | Robb Nen | 1.459 | R |
195. | Kyle Farnsworth (35) | 1.455 | R |
196. | Todd Worrell | 1.453 | R |
197. | Mike Remlinger | 1.449 | L |
198. | Alejandro Pena | 1.446 | R |
199. | Sid Monge | 1.445 | L |
200. | Mark Guthrie | 1.442 | L |
Rank | Player (age) | Range Factor/9Inn as P | Throws |
201. | John Candelaria | 1.440 | L |
202. | Mark Davis | 1.439 | L |
203. | Dave Smith | 1.434 | R |
204. | Ron Davis | 1.433 | R |
205. | Dan Wheeler (33) | 1.426 | R |
206. | Rudy Seanez | 1.425 | R |
Jamie Walker | 1.425 | L | |
208. | Dan Schatzeder | 1.422 | L |
209. | Dennis Cook | 1.416 | L |
210. | Bob Patterson | 1.414 | L |
211. | Ted Power | 1.401 | R |
212. | Steve Carlton+ | 1.400 | L |
213. | Alan Embree | 1.392 | L |
214. | Dan Miceli | 1.391 | R |
215. | Xavier Hernandez | 1.382 | R |
216. | Luis Vizcaino | 1.377 | R |
217. | Steve Bedrosian | 1.362 | R |
Ron Mahay (40) | 1.362 | L | |
219. | Francisco Rodriguez (29) | 1.350 | R |
220. | Damaso Marte | 1.345 | L |
221. | Jeff Brantley | 1.341 | R |
222. | Nolan Ryan+ | 1.331 | R |
223. | Curt Schilling | 1.322 | R |
224. | Buddy Groom | 1.321 | L |
225. | Scott Sullivan | 1.314 | R |
226. | Bob Howry | 1.313 | R |
227. | Grant Jackson | 1.297 | L |
228. | Rich Gossage+ | 1.274 | R |
229. | Trevor Hoffman | 1.267 | R |
230. | Chuck Finley | 1.259 | L |
231. | Juan Berenguer | 1.258 | R |
232. | Tom Henke | 1.254 | R |
233. | David Riske | 1.230 | R |
234. | Arthur Rhodes (41) | 1.225 | L |
235. | Randy Johnson | 1.205 | L |
236. | Brian Fuentes (35) | 1.200 | L |
237. | Scott Linebrink (34) | 1.191 | R |
238. | Dave Righetti | 1.188 | L |
239. | Billy Wagner | 1.185 | L |
240. | Joe Nathan (36) | 1.183 | R |
241. | Scott Eyre | 1.176 | L |
Randy Myers | 1.176 | L | |
243. | Jay Witasick | 1.169 | R |
244. | Mitch Williams | 1.159 | L |
245. | Octavio Dotel (37) | 1.154 | R |
246. | Jose DeLeon | 1.147 | R |
247. | Felix Heredia | 1.132 | L |
Jon Rauch (32) | 1.132 | R | |
249. | Stan Belinda | 1.078 | R |
Lee Smith | 1.078 | R | |
Rank | Player (age) | Range Factor/9Inn as P | Throws |
251. | Felix Rodriguez | 1.077 | R |
Russ Springer | 1.077 | R | |
253. | Eddie Guardado | 1.066 | L |
254. | Brad Lidge | 1.049 | R |
255. | Ugueth Urbina | 1.026 | R |
256. | John Wetteland | 1.024 | R |
257. | B.J. Ryan | 1.018 | L |
258. | Eric Plunk | 1.017 | R |
259. | Gabe White | 1.005 | L |
260. | Justin Speier | 0.956 | R |
261. | Dan Plesac | 0.929 | L |
262. | Jeff Reardon | 0.928 | R |
263. | Armando Benitez | 0.826 | R |
264. | Rafael Betancourt (36) | 0.765 | R |
265. | Jorge Julio | 0.677 | R |
266. | Troy Percival | 0.660 | R |
Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.