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Innings Pitched ▪ Career
| Player | Seasons | IP | |
|---|---|---|---|
| 1. | Mark Roberts | 2001-04 | 366.2 |
| 2. | Austin Mix | 2000-03 | 321.2 |
| 3. | Scott Gardner | 1977-80 | 320.2 |
| 4. | Michael Rocha | 2008-11 | 298.1 |
| 5. | Casey Mendenhall | 1990-92 | 292.2 |
| 6. | Daniel McCutchen | 2004-06 | 290.2 |
| 7. | Dillon Overton | 2011-13 | 289.1 |
| 8. | Bob Shirley | 1973-75 | 286.1 |
| 9. | Mark Redman | 1994-95 | 277.0 |
| Kevin King | 1988-90 | 277.0 | |
| 11. | Evan Greusel | 1999-02 | 276.1 |
| 12. | Ray Hayward | 1980-83 | 275.1 |
| 13. | Rocky Cherry | 1999-02 | 274.1 |
| 14. | Jackson Todd | 1971-73 | 270.0 |
| 15. | David Purcey | 2002-04 | 267.2 |
| 16. | Gary Brackeen | 1976-79 | 260.2 |
| 17. | Alex Kager | 1976-79 | 257.0 |
| 18. | Keith Hamilton | 1982-85 | 253.2 |
| 19. | Darrell Rodgers | 1982-85 | 248.2 |
| 20. | Jeff Andra | 1995-97 | 233.1 |
| 21. | Jim Huslig | 1987-90 | 231.1 |
| 22. | Nathan Wiles | 2017-19 | 230.0 |
| 23. | Jonathan Gray | 2012-13 | 229.0 |
| 24. | Matt Ruebel | 1989-90 | 228.0 |
| 25. | Jake Irvin | 2016-18 | 223.2 |
| Stan Meek | 1972-74 | 223.2 | |
| 27. | Marty Kunkler | 1974-76 | 223.0 |
| 28. | Andrew Doyle | 2007-09 | 221.2 |
| 29. | Sherman Collins | 1987 | 220.0 |
| 30. | Dewayne Vaughn | 1978-81 | 208.0 |
| 31. | Kevin Lovingier | 1992-94 | 207.0 |
| 32. | Mike Hensley | 1986-89 | 204.0 |
| 33. | Joe Cox | 1964-66 | 202.2 |