| SP | Hernandez, O.Hernandez, Orlando >> | 33 | 1998 | R | 74 | 5 | 5 | 3 | 1 | 3.00 | .260 | 1.06 | 7.3 | 2.3 | 7.5 | 36.0 | 29 | 13 | 12 | 1 | 9 | 30 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 2.44 |
| SP | Irabu, H.Irabu, Hideki >> | 29 | 1998 | R | 40 | 4 | 4 | 1 | 1 | 4.88 | .351 | 1.63 | 9.8 | 4.9 | 4.1 | 24.0 | 26 | 14 | 13 | 1 | 13 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4.25 |
| SP | Pettitte, A.Pettitte, Andy >> | 26 | 1998 | L | 16 | 4 | 3 | 1 | 1 | 0.68 | .295 | 1.22 | 8.7 | 2.4 | 3.8 | 26.1 | 25 | 7 | 2 | 1 | 7 | 11 | 0 | 0 | 1 | 0 | 3 | 1 | 0 | 3.58 |
| CL | Rivera, M.Rivera, Mariano >> | 29 | 1998 | R | 78 | 11 | 0 | 0 | 4 | 10.00 | .471 | 2.44 | 14.0 | 8.0 | 8.0 | 9.0 | 14 | 10 | 10 | 2 | 8 | 8 | 0 | 4 | 4 | 0 | 0 | 2 | 0 | 7.44 |
| RP | Stanton, M.Stanton, Mike >> | 31 | 1998 | L | 59 | 9 | 0 | 1 | 0 | 6.10 | .262 | 1.06 | 8.1 | 1.8 | 0.9 | 10.1 | 9 | 7 | 7 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.70 |
| RP | Mendoza, R.Mendoza, Ramiro >> | 26 | 1998 | R | 50 | 7 | 0 | 2 | 0 | 3.45 | .288 | 1.21 | 6.6 | 4.8 | 1.8 | 15.2 | 11 | 6 | 6 | 1 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.07 |
| RP | Banks, W.Banks, Willie >> | 29 | 1998 | R | 34 | 5 | 0 | 0 | 0 | 5.06 | .385 | 1.88 | 10.8 | 7.2 | 10.8 | 5.1 | 6 | 3 | 3 | 0 | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 |