| Career - Batters Faced | |||
| Rk | Player Name | Totals | |
| 1 | Roy Oswalt | 10097 | |
| 2 | A.J. Burnett | 8701 | |
| 3 | Roger Clemens | 7526 | |
| 4 | Tim Lincecum | 5951 | |
| 5 | Blake Snell | 5711 | |
| 6 | Randy Wolf | 4328 | |
| 7 | Jose Quintana | 4126 | |
| 8 | Lance Lynn | 3924 | |
| 9 | Josh Collmenter | 3027 | |
| 10 | Jose Fernandez | 2844 | |
| 11 | Logan Gilbert | 2533 | |
| 12 | Miguel Gonzalez | 2495 | |
| 13 | Tyler Alexander | 2356 | |
| 14 | Paul Abbott | 2172 | |
| 15 | Joaquin Benoit | 1953 | |
| 16 | Kevin Appier | 1856 | |
| 17 | Daniel Hudson | 1791 | |
| 18 | Scott Downs | 1767 | |
| 19 | Alex Cobb | 1729 | |
| 20 | Tim Wakefield | 1686 | |
| 21 | Zach Plesac | 1665 | |
| 22 | Raisel Iglesias | 1652 | |
| 23 | Tom Gorzelanny | 1628 | |
| 24 | Jeremy Hellickson | 1603 | |
| 25 | Yusmeiro Petit | 1579 | |
| Single Season - Batters Faced | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Kevin Appier | 1096 | 1998 | ||
| 2 | Roy Oswalt | 1043 | 2006 | ||
| 3 | A.J. Burnett | 1025 | 2003 | ||
| 4 | Roger Clemens | 995 | 2004 | ||
| 5 | Kevin Tapani | 982 | 1997 | ||
| 6 | Paul Abbott | 978 | 2000 | ||
| 7 | Roger Clemens | 967 | 2002 | ||
| 8 | A.J. Burnett | 966 | 2006 | ||
| 9 | Jose Quintana | 961 | 2015 | ||
| 10 | Miguel Gonzalez | 959 | 2013 | ||
| 11 | Lance Lynn | 959 | 2020 | ||
| 12 | Roy Oswalt | 956 | 2009 | ||
| 13 | Roy Oswalt | 952 | 2003 | ||
| 14 | Roger Clemens | 951 | 2006 | ||
| 15 | Roy Oswalt | 941 | 2002 | ||
| 16 | Cody Anderson | 941 | 2016 | ||
| 17 | Alex Cobb | 938 | 2018 | ||
| 18 | Roy Oswalt | 935 | 2008 | ||
| 19 | Brad Bergesen | 932 | 2010 | ||
| 20 | Omar Daal | 927 | 2000 | ||
| 21 | Hideo Nomo | 926 | 1998 | ||
| 22 | Josh Beckett | 926 | 2013 | ||
| 23 | Victor Zambrano | 925 | 2004 | ||
| 24 | A.J. Burnett | 925 | 2010 | ||
| 25 | Daniel Hudson | 922 | 2011 | ||