| 26 Teams | ERA | G | CG | SHO | QS | SV | IP | H | R | ER | HR | SO | BB | HB | WP | BK | OBA |
| Kansas City Royals | 3.23 | 163 | 35 | 14 | 93 | 40 | 1470.2 | 1224 | 620 | 528 | 140 | 878 | 482 | 47 | 23 | 5 | .222 |
| St. Louis Cardinals | 3.29 | 163 | 30 | 15 | 85 | 49 | 1472.0 | 1281 | 610 | 538 | 119 | 760 | 471 | 18 | 12 | 4 | .232 |
| Toronto Blue Jays | 3.34 | 163 | 33 | 12 | 87 | 52 | 1455.2 | 1218 | 590 | 541 | 132 | 911 | 494 | 24 | 28 | 6 | .225 |
| New York Mets | 3.35 | 163 | 36 | 11 | 97 | 56 | 1463.1 | 1153 | 597 | 544 | 112 | 1005 | 544 | 37 | 31 | 2 | .212 |
| Houston Astros | 3.47 | 162 | 35 | 17 | 73 | 33 | 1471.2 | 1242 | 620 | 568 | 131 | 975 | 555 | 25 | 37 | 3 | .226 |
| Montreal Expos | 3.51 | 162 | 21 | 11 | 69 | 31 | 1457.1 | 1303 | 620 | 569 | 119 | 908 | 545 | 24 | 35 | 9 | .239 |
| Los Angeles Dodgers | 3.54 | 161 | 36 | 10 | 86 | 45 | 1447.2 | 1225 | 638 | 569 | 127 | 914 | 498 | 23 | 34 | 5 | .226 |
| California Angels | 3.56 | 163 | 26 | 9 | 87 | 50 | 1478.2 | 1297 | 650 | 585 | 180 | 877 | 505 | 32 | 26 | 3 | .232 |
| Cincinnati Reds | 3.70 | 162 | 17 | 9 | 85 | 39 | 1454.0 | 1288 | 661 | 598 | 145 | 827 | 534 | 39 | 18 | 3 | .235 |
| Pittsburgh Pirates | 3.73 | 162 | 27 | 7 | 81 | 35 | 1455.1 | 1338 | 674 | 603 | 136 | 774 | 513 | 26 | 39 | 4 | .241 |
| San Francisco Giants | 3.74 | 162 | 27 | 10 | 85 | 47 | 1442.1 | 1353 | 676 | 599 | 154 | 731 | 442 | 15 | 33 | 5 | .244 |
| Oakland Athletics | 3.76 | 162 | 19 | 5 | 71 | 51 | 1464.0 | 1362 | 708 | 611 | 142 | 910 | 597 | 30 | 36 | 3 | .242 |
| Boston Red Sox | 3.81 | 162 | 20 | 10 | 84 | 45 | 1454.1 | 1328 | 727 | 615 | 164 | 1023 | 492 | 22 | 29 | 3 | .239 |
| Detroit Tigers | 3.83 | 163 | 29 | 11 | 82 | 50 | 1467.2 | 1264 | 694 | 625 | 167 | 783 | 497 | 29 | 40 | 0 | .228 |
| San Diego Padres | 3.90 | 162 | 27 | 9 | 66 | 35 | 1445.0 | 1350 | 716 | 626 | 141 | 707 | 476 | 28 | 27 | 1 | .245 |
| Milwaukee Brewers | 4.04 | 162 | 21 | 12 | 69 | 46 | 1467.2 | 1391 | 740 | 659 | 193 | 884 | 498 | 23 | 24 | 2 | .246 |
| New York Yankees | 4.12 | 162 | 15 | 3 | 71 | 39 | 1476.0 | 1450 | 741 | 675 | 169 | 847 | 467 | 30 | 33 | 6 | .254 |
| Philadelphia Phillies | 4.23 | 162 | 22 | 9 | 61 | 38 | 1426.1 | 1400 | 739 | 671 | 163 | 726 | 575 | 20 | 34 | 1 | .254 |
| Chicago Cubs | 4.42 | 162 | 26 | 16 | 61 | 29 | 1437.1 | 1410 | 795 | 706 | 158 | 775 | 595 | 29 | 24 | 5 | .254 |
| Minnesota Twins | 4.44 | 162 | 22 | 7 | 61 | 31 | 1454.0 | 1499 | 789 | 718 | 195 | 818 | 550 | 26 | 23 | 4 | .263 |
| Texas Rangers | 4.48 | 162 | 25 | 4 | 54 | 35 | 1423.2 | 1364 | 793 | 709 | 178 | 976 | 662 | 37 | 37 | 1 | .250 |
| Seattle Mariners | 4.58 | 162 | 17 | 5 | 63 | 35 | 1451.0 | 1517 | 807 | 739 | 191 | 942 | 543 | 19 | 35 | 3 | .266 |
| Cleveland Indians | 4.61 | 162 | 20 | 3 | 54 | 39 | 1423.2 | 1500 | 836 | 730 | 196 | 846 | 499 | 30 | 21 | 6 | .267 |
| Chicago White Sox | 4.70 | 162 | 18 | 3 | 58 | 32 | 1421.1 | 1477 | 869 | 743 | 211 | 840 | 563 | 20 | 27 | 5 | .259 |
| Baltimore Orioles | 4.87 | 162 | 15 | 4 | 63 | 34 | 1437.1 | 1545 | 876 | 778 | 175 | 778 | 616 | 27 | 22 | 4 | .270 |
| Atlanta Braves | 4.92 | 161 | 13 | 4 | 57 | 43 | 1415.0 | 1572 | 890 | 773 | 173 | 705 | 630 | 28 | 37 | 4 | .278 |
| 1985-1989 Actuals | 3.96 | 2108 | 632 | 230 | 1903 | 1059 | 37733.0 | 35351 | 18676 | 16620 | 4111 | 22120 | 13843 | 708 | 765 | 97 | .244 |