League team pitching totals -- American League
Regular season
| Primary |
| Team | ERA | W | L | S | G | CG | INN | H | R | ER | BB | K | HR | GDP |
| Boston Red Sox | 3.15 | 41 | 14 | 20 | 55 | 5 | 500.0 | 463 | 212 | 175 | 187 | 251 | 26 | 34 |
| Cleveland Indians | 3.19 | 27 | 28 | 10 | 55 | 13 | 507.2 | 434 | 212 | 180 | 184 | 245 | 48 | 53 |
| Toronto Blue Jays | 3.32 | 33 | 22 | 11 | 55 | 17 | 494.0 | 496 | 204 | 182 | 131 | 236 | 55 | 54 |
| Detroit Tigers | 3.44 | 26 | 29 | 8 | 55 | 9 | 502.2 | 460 | 222 | 192 | 201 | 265 | 51 | 45 |
| Seattle Mariners | 3.54 | 29 | 26 | 15 | 55 | 9 | 491.0 | 484 | 233 | 193 | 198 | 232 | 33 | 58 |
| Baltimore Orioles | 3.65 | 28 | 27 | 12 | 55 | 11 | 512.1 | 478 | 256 | 208 | 189 | 213 | 55 | 57 |
| Anaheim Angels | 3.69 | 28 | 27 | 12 | 55 | 9 | 502.0 | 488 | 246 | 206 | 184 | 239 | 50 | 50 |
| Chicago White Sox | 3.70 | 28 | 27 | 13 | 55 | 8 | 484.0 | 496 | 241 | 199 | 145 | 253 | 55 | 53 |
| Oakland A's | 4.18 | 25 | 30 | 10 | 55 | 11 | 484.1 | 489 | 247 | 225 | 199 | 232 | 34 | 58 |
| Minnesota Twins | 4.19 | 25 | 30 | 13 | 55 | 8 | 494.0 | 490 | 265 | 230 | 217 | 245 | 53 | 44 |
| Tampa Bay Devil Rays | 4.25 | 24 | 31 | 11 | 55 | 11 | 485.0 | 522 | 265 | 229 | 150 | 225 | 49 | 49 |
| New York Yankees | 4.86 | 16 | 39 | 2 | 55 | 14 | 488.2 | 553 | 327 | 264 | 217 | 191 | 50 | 58 |
| Totals | 3.76 | 330 | 330 | 137 | 660 | 125 | 5945.2 | 5853 | 2930 | 2483 | 2202 | 2827 | 559 | 613 |
| Secondary |
| Team | IW | HBP | SH | SF | WP | BK | SB | CS | PK | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB |
| Boston Red Sox | 12 | 29 | 5 | 14 | 15 | 1 | 25 | 12 | 3 | 8.3 | 3.4 | 12.2 | 4.5 | 0.5 | 1.3 |
| Cleveland Indians | 6 | 24 | 5 | 21 | 6 | 0 | 12 | 7 | 2 | 7.7 | 3.3 | 11.4 | 4.3 | 0.9 | 1.3 |
| Toronto Blue Jays | 2 | 11 | 7 | 12 | 10 | 1 | 15 | 4 | 1 | 9.0 | 2.4 | 11.6 | 4.3 | 1.0 | 1.8 |
| Detroit Tigers | 8 | 14 | 7 | 28 | 15 | 3 | 10 | 10 | 2 | 8.2 | 3.6 | 12.1 | 4.7 | 0.9 | 1.3 |
| Seattle Mariners | 8 | 11 | 5 | 35 | 23 | 0 | 25 | 10 | 6 | 8.9 | 3.6 | 12.7 | 4.3 | 0.6 | 1.2 |
| Baltimore Orioles | 5 | 20 | 5 | 17 | 26 | 1 | 13 | 6 | 1 | 8.4 | 3.3 | 12.1 | 3.7 | 1.0 | 1.1 |
| Anaheim Angels | 7 | 14 | 11 | 20 | 23 | 3 | 21 | 9 | 5 | 8.7 | 3.3 | 12.3 | 4.3 | 0.9 | 1.3 |
| Chicago White Sox | 8 | 16 | 3 | 18 | 8 | 0 | 20 | 23 | 4 | 9.2 | 2.7 | 12.2 | 4.7 | 1.0 | 1.7 |
| Oakland A's | 12 | 19 | 14 | 19 | 9 | 2 | 8 | 8 | 3 | 9.1 | 3.7 | 13.1 | 4.3 | 0.6 | 1.2 |
| Minnesota Twins | 21 | 18 | 5 | 23 | 19 | 1 | 19 | 12 | 1 | 8.9 | 4.0 | 13.2 | 4.5 | 1.0 | 1.1 |
| Tampa Bay Devil Rays | 5 | 13 | 3 | 28 | 11 | 1 | 17 | 8 | 0 | 9.7 | 2.8 | 12.7 | 4.2 | 0.9 | 1.5 |
| New York Yankees | 12 | 22 | 5 | 22 | 22 | 0 | 12 | 4 | 1 | 10.2 | 4.0 | 14.6 | 3.5 | 0.9 | 0.9 |
| Totals | 106 | 211 | 75 | 257 | 187 | 13 | 197 | 113 | 29 | 8.9 | 3.3 | 12.5 | 4.3 | 0.8 | 1.3 |
| Analytical |
| Team | OPS | WHIP | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Boston Red Sox | .671 | 1.30 | 1647 | .265 | 859 | .401 | 888 | .415 | 221.2 | 4.0 | 3.58 | 3.41 |
| Cleveland Indians | .665 | 1.22 | 1626 | .237 | 871 | .409 | 895 | .421 | 207.8 | 3.6 | 3.31 | 3.27 |
| Toronto Blue Jays | .684 | 1.27 | 1659 | .266 | 861 | .412 | 872 | .417 | 217.4 | 3.9 | 3.56 | 3.70 |
| Detroit Tigers | .691 | 1.31 | 1620 | .252 | 915 | .425 | 929 | .432 | 228.2 | 4.0 | 3.68 | 3.68 |
| Seattle Mariners | .691 | 1.39 | 1650 | .273 | 880 | .414 | 891 | .419 | 226.0 | 4.1 | 3.73 | 3.83 |
| Baltimore Orioles | .698 | 1.30 | 1710 | .247 | 938 | .429 | 958 | .438 | 234.0 | 4.0 | 3.70 | 3.76 |
| Anaheim Angels | .694 | 1.34 | 1676 | .261 | 910 | .421 | 924 | .427 | 232.7 | 4.1 | 3.75 | 3.84 |
| Chicago White Sox | .726 | 1.32 | 1596 | .276 | 913 | .442 | 929 | .450 | 233.3 | 4.2 | 3.90 | 4.02 |
| Oakland A's | .716 | 1.42 | 1629 | .279 | 905 | .428 | 924 | .437 | 236.9 | 4.3 | 3.96 | 4.07 |
| Minnesota Twins | .728 | 1.43 | 1654 | .264 | 978 | .447 | 996 | .455 | 257.3 | 4.6 | 4.22 | 4.25 |
| Tampa Bay Devil Rays | .747 | 1.39 | 1662 | .285 | 950 | .453 | 963 | .459 | 259.1 | 4.8 | 4.33 | 4.23 |
| New York Yankees | .766 | 1.58 | 1757 | .286 | 1027 | .459 | 1049 | .469 | 290.2 | 5.2 | 4.81 | 5.09 |
| Totals | .707 | 1.35 | 19886 | .266 | 11007 | .429 | 11218 | .437 | 2841.7 | 4.2 | 3.87 | 3.92 |
| Starters |
| Team | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% |
| Boston Red Sox | 55 | 5 | .091 | 2 | 33 | .600 | 308 | 5.6 | 60 | 20 | .333 | 141.2 | .604 |
| Cleveland Indians | 55 | 13 | .236 | 2 | 35 | .636 | 229 | 4.2 | 55 | 17 | .309 | 135.7 | .616 |
| Toronto Blue Jays | 55 | 17 | .309 | 4 | 34 | .618 | 280 | 5.1 | 71 | 24 | .338 | 132.5 | .630 |
| Detroit Tigers | 55 | 9 | .164 | 2 | 30 | .545 | 237 | 4.3 | 84 | 27 | .321 | 140.1 | .605 |
| Seattle Mariners | 55 | 9 | .164 | 2 | 34 | .618 | 204 | 3.7 | 76 | 27 | .355 | 135.8 | .597 |
| Baltimore Orioles | 55 | 11 | .200 | 1 | 30 | .545 | 237 | 4.3 | 54 | 23 | .426 | 141.3 | .602 |
| Anaheim Angels | 55 | 9 | .164 | 3 | 33 | .600 | 240 | 4.4 | 70 | 29 | .414 | 139.2 | .611 |
| Chicago White Sox | 55 | 8 | .145 | 4 | 29 | .527 | 239 | 4.3 | 59 | 13 | .220 | 132.1 | .631 |
| Oakland A's | 55 | 11 | .200 | 5 | 28 | .509 | 230 | 4.2 | 80 | 36 | .450 | 139.1 | .593 |
| Minnesota Twins | 55 | 8 | .145 | 1 | 29 | .527 | 232 | 4.2 | 84 | 33 | .393 | 139.4 | .591 |
| Tampa Bay Devil Rays | 55 | 11 | .200 | 3 | 23 | .418 | 243 | 4.4 | 67 | 18 | .269 | 134.1 | .622 |
| New York Yankees | 55 | 14 | .255 | 3 | 20 | .364 | 251 | 4.6 | 96 | 40 | .417 | 141.6 | .593 |
| Totals | 660 | 125 | .189 | 32 | 358 | .542 | 2930 | 4.4 | 856 | 307 | .359 | 137.7 | .608 |
| Relievers |
| Team | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | R/G | GF | R/GF |
| Boston Red Sox | 29 | 20 | .690 | 7 | .241 | 12 | 60 | 20 | .333 | 55 | 92 | 1.7 | 50 | 1.8 |
| Cleveland Indians | 14 | 10 | .714 | 4 | .286 | 5 | 55 | 17 | .309 | 55 | 79 | 1.4 | 42 | 1.9 |
| Toronto Blue Jays | 24 | 11 | .458 | 9 | .375 | 10 | 71 | 24 | .338 | 55 | 88 | 1.6 | 38 | 2.3 |
| Detroit Tigers | 16 | 8 | .500 | 6 | .375 | 15 | 84 | 27 | .321 | 55 | 108 | 2.0 | 46 | 2.3 |
| Seattle Mariners | 21 | 15 | .714 | 5 | .238 | 10 | 76 | 27 | .355 | 55 | 84 | 1.5 | 46 | 1.8 |
| Baltimore Orioles | 15 | 12 | .800 | 3 | .200 | 5 | 54 | 23 | .426 | 55 | 78 | 1.4 | 44 | 1.8 |
| Anaheim Angels | 17 | 12 | .706 | 5 | .294 | 7 | 70 | 29 | .414 | 55 | 85 | 1.5 | 46 | 1.8 |
| Chicago White Sox | 16 | 13 | .813 | 3 | .188 | 3 | 59 | 13 | .220 | 55 | 79 | 1.4 | 47 | 1.7 |
| Oakland A's | 14 | 10 | .714 | 4 | .286 | 3 | 80 | 36 | .450 | 55 | 84 | 1.5 | 44 | 1.9 |
| Minnesota Twins | 18 | 13 | .722 | 5 | .278 | 6 | 84 | 33 | .393 | 55 | 109 | 2.0 | 47 | 2.3 |
| Tampa Bay Devil Rays | 16 | 11 | .688 | 4 | .250 | 12 | 67 | 18 | .269 | 55 | 84 | 1.5 | 44 | 1.9 |
| New York Yankees | 9 | 2 | .222 | 7 | .778 | 4 | 96 | 40 | .417 | 55 | 79 | 1.4 | 41 | 1.9 |
| Totals | 209 | 137 | .656 | 62 | .297 | 92 | 856 | 307 | .359 | 660 | 1049 | 1.6 | 535 | 2.0 |