| 1915 MLB Leaders | ||
| 1915 American League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-Boston | 101 | 50 | .652 | -- | -- | -- | 669 | 499 | +170 |
| Detroit | 100 | 54 | .641 | 2.5 | -- | -- | 778 | 597 | +181 |
| Chicago | 93 | 61 | .600 | 9.5 | -- | -- | 717 | 509 | +208 |
| Washington | 85 | 68 | .548 | 17 | -- | -- | 569 | 491 | +78 |
| New York | 69 | 83 | .448 | 32.5 | -- | -- | 584 | 588 | -4 |
| St. Louis | 63 | 91 | .396 | 39.5 | -- | -- | 521 | 680 | -159 |
| Cleveland | 57 | 95 | .370 | 44.5 | -- | -- | 539 | 670 | -131 |
| Philadelphia | 43 | 109 | .279 | 58.5 | -- | -- | 545 | 888 | -343 |
| 1915 National League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-Philadelphia | 90 | 62 | .588 | -- | -- | -- | 589 | 463 | +126 |
| Boston | 83 | 69 | .529 | 7 | -- | -- | 582 | 545 | +37 |
| Brooklyn | 80 | 72 | .519 | 10 | -- | -- | 536 | 560 | -24 |
| Chicago | 73 | 80 | .468 | 17.5 | -- | -- | 570 | 620 | -50 |
| Pittsburgh | 73 | 81 | .468 | 18 | -- | -- | 557 | 520 | +37 |
| St. Louis | 72 | 81 | .459 | 18.5 | -- | -- | 590 | 601 | -11 |
| Cincinnati | 71 | 83 | .444 | 20 | -- | -- | 516 | 585 | -69 |
| New York | 69 | 83 | .445 | 21 | -- | -- | 582 | 628 | -46 |
| 1915 Federal League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| x-Chicago | 86 | 66 | .555 | -- | -- | -- | 640 | 538 | +102 |
| St. Louis | 87 | 67 | .547 | -- | -- | -- | 634 | 527 | +107 |
| Pittsburgh | 86 | 67 | .551 | .5 | -- | -- | 592 | 524 | +68 |
| Kansas City | 81 | 72 | .529 | 5.5 | -- | -- | 547 | 551 | -4 |
| Newark | 80 | 72 | .516 | 6 | -- | -- | 585 | 562 | +23 |
| Buffalo | 74 | 78 | .484 | 12 | -- | -- | 574 | 634 | -60 |
| Brooklyn | 70 | 82 | .458 | 16 | -- | -- | 647 | 673 | -26 |
| Baltimore | 47 | 107 | .305 | 40 | -- | -- | 550 | 760 | -210 |
| 1915 All-Star Results | |||||||||
| No results available. | |||||||||
| Rosters | Complete Results | |||||||||
| 1915 Postseason Results | ||
| ROUND | OUTCOME | RESULT |
| World Series | Boston Red Sox defeated Philadelphia Phillies | 4-1 |
| Complete Results | ||
| 1915 Award Winners | ||
| No award winners. | ||
| Complete Results |
| 1915 Draft Picks | |||
| No picks available. | |||
| Complete Results |
| 1915 No-Hitters | ||||||
| DATE | PITCHER | TEAM | OPPONENT | SCORE | LEAGUE | NOTES |
| 8/31/1915 | Jimmy Lavender | CHI | NY | 2-0 | NL | |
| 4/15/1915 | Rube Marquard | NY | BRK | 2-0 | NL | |
| Complete Results | ||||||