| 1918 MLB Leaders | ||
| 1918 American League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-Boston | 75 | 51 | .595 | -- | -- | -- | 474 | 380 | +94 |
| Cleveland | 73 | 54 | .566 | 2.5 | -- | -- | 504 | 447 | +57 |
| Washington | 72 | 56 | .554 | 4 | -- | -- | 461 | 412 | +49 |
| New York | 60 | 63 | .476 | 13.5 | -- | -- | 493 | 475 | +18 |
| St. Louis | 58 | 64 | .472 | 15 | -- | -- | 426 | 448 | -22 |
| Chicago | 57 | 67 | .460 | 17 | -- | -- | 457 | 446 | +11 |
| Detroit | 55 | 71 | .430 | 20 | -- | -- | 476 | 557 | -81 |
| Philadelphia | 52 | 76 | .400 | 24 | -- | -- | 412 | 538 | -126 |
| 1918 National League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-Chicago | 84 | 45 | .641 | -- | -- | -- | 538 | 393 | +145 |
| New York | 71 | 53 | .573 | 10.5 | -- | -- | 480 | 415 | +65 |
| Cincinnati | 68 | 60 | .527 | 15.5 | -- | -- | 530 | 496 | +34 |
| Pittsburgh | 65 | 60 | .516 | 17 | -- | -- | 466 | 412 | +54 |
| Brooklyn | 57 | 69 | .452 | 25.5 | -- | -- | 360 | 463 | -103 |
| Philadelphia | 55 | 68 | .440 | 26 | -- | -- | 430 | 507 | -77 |
| Boston | 53 | 71 | .427 | 28.5 | -- | -- | 424 | 469 | -45 |
| St. Louis | 51 | 78 | .389 | 33 | -- | -- | 454 | 527 | -73 |
| 1918 All-Star Results | |||||||||
| No results available. | |||||||||
| Rosters | Complete Results | |||||||||
| 1918 Postseason Results | ||
| ROUND | OUTCOME | RESULT |
| World Series | Boston Red Sox defeated Chicago Cubs | 4-2 |
| Complete Results | ||
| 1918 Award Winners | ||
| No award winners. | ||
| Complete Results |
| 1918 Draft Picks | |||
| No picks available. | |||
| Complete Results |
| 1918 No-Hitters | ||||||
| DATE | PITCHER | TEAM | OPPONENT | SCORE | LEAGUE | NOTES |
| 6/3/1918 | Dutch Leonard | BOS | DET | 4-0 | AL | |
| Complete Results | ||||||