| Career - Homeruns Allowed | |||
| Rk | Player Name | Totals | |
| 1 | Roy Oswalt | 258 | |
| 2 | Roger Clemens | 244 | |
| 3 | A.J. Burnett | 233 | |
| 4 | Blake Snell | 172 | |
| 5 | Kevin Appier | 162 | |
| 6 | Randy Wolf | 162 | |
| 7 | Tim Lincecum | 144 | |
| 8 | Josh Collmenter | 116 | |
| 9 | Dave Stewart | 110 | |
| 10 | Lance Lynn | 108 | |
| 11 | Zane Smith | 97 | |
| 12 | Jose Quintana | 96 | |
| 13 | Tyler Alexander | 93 | |
| 14 | Kevin Tapani | 88 | |
| 15 | Logan Gilbert | 86 | |
| 16 | Jeremy Hellickson | 82 | |
| 17 | Paul Abbott | 77 | |
| 18 | Tom Browning | 76 | |
| 19 | Zach Plesac | 71 | |
| 20 | Alex Cobb | 70 | |
| 21 | Tim Wakefield | 68 | |
| 22 | Miguel Gonzalez | 68 | |
| 23 | Yusmeiro Petit | 61 | |
| 24 | Jose Mesa | 59 | |
| 25 | Jose Fernandez | 58 | |
| Single Season - Homeruns Allowed | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Dave Stewart | 75 | 1994 | ||
| 2 | Jeremy Hellickson | 53 | 2018 | ||
| 3 | Tom Browning | 49 | 1990 | ||
| 4 | Mike Scott | 49 | 1990 | ||
| 5 | Aaron Sele | 46 | 2002 | ||
| 6 | Mike Moore | 45 | 1994 | ||
| 7 | Josh Collmenter | 45 | 2013 | ||
| 8 | R.A. Dickey | 45 | 2018 | ||
| 9 | Jamie Moyer | 44 | 2011 | ||
| 10 | Zach Plesac | 44 | 2021 | ||
| 11 | Adbert Alzolay | 44 | 2022 | ||
| 12 | Randy Wolf | 42 | 2004 | ||
| 13 | Zane Smith | 41 | 1991 | ||
| 14 | Dylan Covey | 39 | 2018 | ||
| 15 | Logan Gilbert | 38 | 2024 | ||
| 16 | Roger Clemens | 37 | 2001 | ||
| 17 | Roger Clemens | 37 | 2002 | ||
| 18 | Jose Mesa | 37 | 1994 | ||
| 19 | Eury Perez | 37 | 2024 | ||
| 20 | Alex Cobb | 36 | 2018 | ||
| 21 | Roger Clemens | 35 | 2004 | ||
| 22 | Dave Stewart | 35 | 1995 | ||
| 23 | Rick Sutcliffe | 35 | 1990 | ||
| 24 | Kevin Tapani | 35 | 1997 | ||
| 25 | Roy Oswalt | 35 | 2010 | ||