| SP | Martinez, P.Martinez, Pedro >> | 30 | 2001 | R | 100 | 6 | 6 | 3 | 1 | 1.55 | .252 | 0.98 | 6.3 | 2.7 | 10.8 | 40.2 | 28 | 10 | 7 | 0 | 12 | 48 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 1.58 |
| SP | Halladay, R.Halladay, Roy >> | 24 | 2001 | R | 80 | 6 | 6 | 1 | 2 | 8.23 | .414 | 2.12 | 15.7 | 3.7 | 8.0 | 27.1 | 47 | 26 | 25 | 3 | 11 | 24 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 3.89 |
| SP | Mulder, M.Mulder, Mark # >> | 24 | 2001 | L | 73 | 6 | 6 | 2 | 1 | 5.00 | .329 | 1.42 | 10.0 | 2.8 | 6.5 | 36.0 | 40 | 20 | 20 | 0 | 11 | 26 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 2.64 |
| SP | Valdez, I.Valdez, Ismael >> | 28 | 2001 | R | 19 | 5 | 5 | 3 | 0 | 5.40 | .370 | 1.73 | 11.4 | 4.5 | 6.6 | 26.2 | 33 | 16 | 16 | 6 | 13 | 19 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 6.15 |
| CL | Dotel, O.Dotel, Octavio >> | 28 | 2001 | R | 79 | 12 | 0 | 1 | 0 | 0.60 | .211 | 0.73 | 3.0 | 3.6 | 10.2 | 15.0 | 5 | 1 | 1 | 1 | 6 | 17 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 3.00 |
| RP | Rivera, M.Rivera, Mariano >> | 32 | 2001 | R | 93 | 12 | 0 | 1 | 0 | 3.31 | .222 | 0.86 | 7.3 | 0.6 | 11.3 | 16.1 | 13 | 6 | 6 | 3 | 1 | 20 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.13 |
| RP | Batista, M.Batista, Miguel >> | 30 | 2001 | R | 58 | 7 | 0 | 2 | 0 | 2.70 | .286 | 1.20 | 6.3 | 4.5 | 6.3 | 10.0 | 7 | 3 | 3 | 0 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.10 |
| RP | Isringhausen, J.Isringhausen, Jason >> | 29 | 2001 | R | 86 | 14 | 0 | 1 | 1 | 7.82 | .387 | 1.89 | 11.3 | 6.8 | 8.3 | 12.2 | 15 | 11 | 11 | 1 | 9 | 11 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 4.50 |
| RP | Stanton, M.Stanton, Mike >> | 34 | 2001 | L | 23 | 17 | 0 | 3 | 0 | 5.65 | .348 | 1.60 | 12.2 | 2.6 | 12.2 | 14.1 | 19 | 9 | 9 | 2 | 4 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.00 |