| East | W | L | Pct | GB |
| NY Yankees | 114 | 48 | .704 | -- |
| Boston | 92 | 70 | .568 | 22.0 |
| Toronto | 88 | 74 | .543 | 26.0 |
| Baltimore | 79 | 83 | .488 | 35.0 |
| Tampa Bay | 63 | 99 | .389 | 51.0 |
| Pitcher | Game | Season | Result | Decision | IP | H | R | ER | HR | BB | SO | WP | BK | HB | TBF | Pitches | Str | Bal | Str% | Career G | Career W-L | Feat Description | |
| Mike Mussina | 1998-03-31 | 1998 | L 4-1 vs KCA | L | 8 | 6 | 3 | 3 | 0 | 0 | 11 | 0 | 0 | 0 | 30 | 107 | 79 | 28 | 74% | 195 | 105-50 | 11 Strikeouts | |
| Scott Erickson | 1998-04-01 | 1998 | W 10-1 vs KCA | W | CG | 9 | 4 | 1 | 1 | 1 | 1 | 5 | 0 | 0 | 0 | 33 | 0 | 0 | 0 | -- | 241 | 100-83 | 100th career win |
| Norm Charlton | 1998-04-03 | 1998 | W 10-2 vs DET | 1.2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | -- | 470 | 43-48 | Struck out at least 2 batters per inning (1.2+ ip) | ||
| Mike Mussina | 1998-04-05 | 1998 | W 6-3 vs DET | W | 7 | 8 | 2 | 2 | 0 | 0 | 5 | 0 | 0 | 0 | 29 | 43 | 39 | 4 | 91% | 196 | 106-50 | Threw 91% strikes | |
| Mike Mussina | 1998-04-11 | 1998 | W 2-0 @ DET | W | 8 | 2 | 0 | 0 | 0 | 2 | 9 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | -- | 197 | 107-50 | 1000th career strikeout | |
| Sidney Ponson | 1998-04-19 | 1998 | L 11-7 @ TEX | 4 | 5 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 17 | 55 | 36 | 19 | 65% | 1 | 0-0 | 1st career game | ||
| Armando Benitez | 1998-05-02 | 1998 | L 8-7 vs MIN | 1.2 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 7 | 39 | 22 | 17 | 56% | 152 | 7-10 | Struck out at least 2 batters per inning (1.2+ ip) | ||
| Mike Mussina | 1998-05-09 | 1998 | W 7-0 @ TBA | W | 9 | 5 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 33 | 126 | 91 | 35 | 72% | 200 | 109-51 | 10 Strikeouts, 200th career game | |
| Scott Erickson | 1998-05-11 | 1998 | W 4-0 @ MIN | W | 9 | 5 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 31 | 103 | 80 | 23 | 78% | 249 | 103-86 | Threw 78% strikes | |
| Norm Charlton | 1998-05-13 | 1998 | W 8-1 vs CLE | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 7 | 25 | 20 | 5 | 80% | 481 | 43-48 | Threw 80% strikes | ||
| Sidney Ponson | 1998-05-24 | 1998 | W 2-1 @ OAK | Sv | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 100% | 10 | 0-1 | 1st career save | |
| Mike Mussina | 1998-06-06 | 1998 | L 10-5 vs ATL | L | 4.2 | 8 | 8 | 8 | 1 | 1 | 10 | 0 | 0 | 0 | 24 | 95 | 63 | 32 | 66% | 202 | 109-52 | 10 Strikeouts, Struck out at least 2 batters per inning (1.2+ ip) | |
| Radhames Dykhoff | 1998-06-07 | 1998 | L 9-0 vs ATL | 1 | 2 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 6 | 17 | 10 | 7 | 59% | 1 | 0-0 | 1st career game | ||
| Armando Benitez | 1998-06-10 | 1998 | W 5-2 @ PHI | W | 2 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 7 | 28 | 21 | 7 | 75% | 166 | 8-11 | Threw 75% strikes | |
| Sidney Ponson | 1998-06-16 | 1998 | W 2-0 vs NYA | W | 6.2 | 2 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 23 | 96 | 64 | 32 | 67% | 15 | 1-4 | 1st career win | |
| Arthur Rhodes | 1998-06-16 | 1998 | W 2-0 vs NYA | Sv | 2.1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 7 | 28 | 21 | 7 | 75% | 175 | 39-30 | Threw 75% strikes | |
| Mike Mussina | 1998-06-22 | 1998 | W 7-2 vs NYN | W | CG | 9 | 2 | 2 | 2 | 2 | 0 | 7 | 0 | 0 | 0 | 29 | 109 | 75 | 34 | 69% | 205 | 111-53 | 2-hitter |
| Alan Mills | 1998-06-23 | 1998 | L 6-3 vs NYN | 2.1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 24 | 18 | 6 | 75% | 311 | 29-24 | Threw 75% strikes | ||
| Terry Mathews | 1998-06-24 | 1998 | L 6-3 @ NYN | 2 | 2 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 8 | 29 | 22 | 7 | 76% | 298 | 20-20 | Threw 76% strikes | ||
| Sidney Ponson | 1998-07-02 | 1998 | W 5-3 vs FLO | W | 6 | 7 | 2 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 22 | 71 | 55 | 16 | 77% | 18 | 2-6 | Threw 77% strikes | |
| Joel Bennett | 1998-07-15 | 1998 | W 14-3 @ TEX | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 23 | 10 | 13 | 43% | 1 | 0-0 | 1st career game | ||
| Jesse Orosco | 1998-07-25 | 1998 | L 4-2 vs SEA | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 12 | 7 | 5 | 58% | 1000 | 84-73 | 1000th career game | ||
| Mike Mussina | 1998-08-04 | 1998 | W 4-0 vs DET | W | SHO | 9 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 29 | 93 | 68 | 25 | 73% | 213 | 115-54 | Complete game/Shutout, 2-hitter |
| Mike Mussina | 1998-08-09 | 1998 | L 5-4 @ MIN | L | 7 | 12 | 5 | 5 | 0 | 3 | 11 | 2 | 0 | 0 | 34 | 137 | 80 | 57 | 58% | 214 | 115-55 | 11 Strikeouts | |
| Scott Erickson | 1998-08-17 | 1998 | W 3-2 vs MIN | W | 7 | 7 | 2 | 2 | 0 | 1 | 10 | 0 | 0 | 1 | 29 | 105 | 68 | 37 | 65% | 268 | 112-92 | 10 Strikeouts | |
| Mike Mussina | 1998-08-19 | 1998 | W 6-4 vs TBA | W | 7 | 9 | 2 | 2 | 0 | 1 | 10 | 0 | 0 | 0 | 30 | 119 | 85 | 34 | 71% | 216 | 117-55 | 10 Strikeouts | |
| Juan Guzman | 1998-08-26 | 1998 | L 12-5 @ CHA | L | 5 | 9 | 7 | 7 | 1 | 3 | 5 | 2 | 0 | 0 | 27 | 101 | 58 | 43 | 57% | 200 | 78-63 | 200th career game | |
| Armando Benitez | 1998-09-05 | 1998 | L 6-5 @ SEA | L | 0.2 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 18 | 9 | 9 | 50% | 200 | 11-14 | 200th career game | |
| Mike Mussina | 1998-09-06 | 1998 | W 5-2 @ SEA | W | 8 | 4 | 2 | 2 | 1 | 2 | 10 | 1 | 0 | 0 | 29 | 113 | 68 | 45 | 60% | 219 | 118-57 | 10 Strikeouts | |
| Pete Smith | 1998-09-07 | 1998 | L 11-1 @ SEA | 2.1 | 3 | 3 | 3 | 1 | 1 | 5 | 1 | 0 | 0 | 11 | 52 | 30 | 22 | 58% | 226 | 47-71 | Struck out at least 2 batters per inning (1.2+ ip) | ||
| Chris Fussell | 1998-09-15 | 1998 | L 6-5 vs TEX | 5 | 4 | 3 | 3 | 0 | 4 | 5 | 0 | 0 | 0 | 21 | 90 | 53 | 37 | 59% | 1 | 0-0 | 1st career game | ||
| Arthur Rhodes | 1998-09-15 | 1998 | L 6-5 vs TEX | 3 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 10 | 34 | 26 | 8 | 76% | 191 | 40-32 | Threw 76% strikes | ||
| Mike Mussina | 1998-09-17 | 1998 | L 3-2 vs BOS | 9 | 6 | 2 | 2 | 1 | 4 | 10 | 0 | 0 | 0 | 36 | 134 | 84 | 50 | 63% | 221 | 118-57 | 10 Strikeouts | ||
| Doug Johns | 1998-09-20 | 1998 | L 5-4 vs NYA | L | 4.1 | 10 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 24 | 77 | 58 | 19 | 75% | 81 | 14-18 | Threw 75% strikes | |
| Scott Erickson | 1998-09-21 | 1998 | L 3-1 @ TOR | L | 8 | 9 | 3 | 3 | 2 | 3 | 12 | 0 | 0 | 1 | 36 | 135 | 85 | 50 | 63% | 275 | 114-96 | 12 Strikeouts, 1000th career strikeout | |