| Rank | IP | Student | Grade | School | Year | |
| 1 | 53 | Robbe Ewing | | Stockton | 2010 | |
| 2 | 52.2 | Charlie Lowell | | Winfield | 2008 | 3/24 - 5/16 |
| 3 | 50 | Jacob Turner | | Westminster Christian Academy | 2009 | 3/30 - 5/27 |
| 4 | 34 | Garrett Haslag | | Eugene | 2010 | 8 Games |
| 5 | 32 | Trevor Pipes | So | La Plata | 2016 | |
| 6 | 30 | Jacob Turner | | Westminster Christian Academy | 2008 | 6 Games |
| 6 | 30 | Hayden Fouch | | La Plata | 2009 | 7 Games |
| 8 | 29 | John paul Robert Sauer, V | Jr | Jackson | 2022 | |
| 9 | 28.1 | Colin Thomas Kelley | Jr | Nixa | 2023 | |
| 10 | 28 | Joe McLaughlin | | Lexington | 2007 | |
| 11 | 27 | Travis Weston | | New Franklin | 2004 | 3/30 - 5/16 |
| 12 | 26.2 | Logan Christopher Vanwey | Sr | Webb City | 2016 | |
| 13 | 25 | Gary Moppin | | Mid-Buchanan | 2004 | 4 Games |
| 14 | 24 | Jacob Turner | | Westminster Christian Academy | 2007 | |