| Career - Batters Faced | |||
| Rk | Player Name | Totals | |
| 1 | Sonny Gray | 8005 | |
| 2 | Johan Santana | 5941 | |
| 3 | Pedro Martinez | 4545 | |
| 4 | Clay Buchholz | 4429 | |
| 5 | Josh Beckett | 4290 | |
| 6 | Rich Harden | 3967 | |
| 7 | Ben Sheets | 3826 | |
| 8 | Kyle Hendricks | 3721 | |
| 9 | Wade Miller | 3542 | |
| 10 | Zach Eflin | 3005 | |
| 11 | Dylan Bundy | 2920 | |
| 12 | Andy Benes | 2623 | |
| 13 | Collin McHugh | 2252 | |
| 14 | Chad Green | 2215 | |
| 15 | Stephen Strasburg | 2153 | |
| 16 | Arthur Rhodes | 2108 | |
| 17 | Justin Thompson | 1891 | |
| 18 | Edinson Volquez | 1829 | |
| 19 | Pat Hentgen | 1795 | |
| 20 | Felix Hernandez | 1692 | |
| 21 | Scott Williamson | 1631 | |
| 22 | Corey Kluber | 1517 | |
| 23 | Zack Godley | 1498 | |
| 24 | Fernando Rodney | 1450 | |
| 25 | Chris Paddack | 1436 | |
| Single Season - Batters Faced | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Pat Hentgen | 1078 | 1997 | ||
| 2 | Pedro Martinez | 1076 | 2001 | ||
| 3 | Pedro J. Martinez | 1068 | 1998 | ||
| 4 | Hideo Nomo | 1047 | 1997 | ||
| 5 | Pedro Martinez | 998 | 2000 | ||
| 6 | Pedro Martinez | 997 | 1999 | ||
| 7 | Josh Beckett | 981 | 2008 | ||
| 8 | Johan Santana | 967 | 2006 | ||
| 9 | Sonny Gray | 956 | 2024 | ||
| 10 | Corey Kluber | 942 | 2018 | ||
| 11 | Johan Santana | 931 | 2005 | ||
| 12 | Kyle Hendricks | 928 | 2021 | ||
| 13 | Ramon Martinez | 923 | 1997 | ||
| 14 | Justin Thompson | 922 | 1999 | ||
| 15 | Ben Sheets | 922 | 2006 | ||
| 16 | Justin Thompson | 921 | 1998 | ||
| 17 | Wade Miley | 919 | 2013 | ||
| 18 | Ben Sheets | 911 | 2005 | ||
| 19 | Sonny Gray | 909 | 2015 | ||
| 20 | Rich Harden | 905 | 2006 | ||
| 21 | Johan Santana | 904 | 2007 | ||
| 22 | Johan Santana | 900 | 2004 | ||
| 23 | Juan Guzman | 894 | 1997 | ||
| 24 | Pedro Martinez | 886 | 2002 | ||
| 25 | Kyle Hendricks | 885 | 2019 | ||