| 1912 MLB Leaders | ||
| 1912 American League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-Boston | 105 | 47 | .682 | -- | -- | -- | 799 | 544 | +255 |
| Washington | 91 | 61 | .591 | 14 | -- | -- | 699 | 581 | +118 |
| Philadelphia | 90 | 62 | .588 | 15 | -- | -- | 779 | 658 | +121 |
| Chicago | 78 | 76 | .494 | 28 | -- | -- | 639 | 648 | -9 |
| Cleveland | 75 | 78 | .484 | 30.5 | -- | -- | 677 | 681 | -4 |
| Detroit | 69 | 84 | .448 | 36.5 | -- | -- | 720 | 777 | -57 |
| St. Louis | 53 | 101 | .338 | 53 | -- | -- | 552 | 764 | -212 |
| New York | 50 | 102 | .327 | 55 | -- | -- | 630 | 842 | -212 |
| 1912 National League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-New York | 103 | 48 | .669 | -- | -- | -- | 823 | 571 | +252 |
| Pittsburgh | 93 | 58 | .612 | 10 | -- | -- | 751 | 565 | +186 |
| Chicago | 91 | 59 | .599 | 11.5 | -- | -- | 756 | 668 | +88 |
| Cincinnati | 75 | 78 | .484 | 29 | -- | -- | 656 | 722 | -66 |
| Philadelphia | 73 | 79 | .480 | 30.5 | -- | -- | 670 | 688 | -18 |
| St. Louis | 63 | 90 | .412 | 41 | -- | -- | 659 | 830 | -171 |
| Brooklyn | 58 | 95 | .379 | 46 | -- | -- | 651 | 754 | -103 |
| Boston | 52 | 101 | .335 | 52 | -- | -- | 693 | 861 | -168 |
| 1912 All-Star Results | |||||||||
| No results available. | |||||||||
| Rosters | Complete Results | |||||||||
| 1912 Postseason Results | ||
| ROUND | OUTCOME | RESULT |
| World Series | Boston Red Sox defeated New York Giants | 4-3 |
| Complete Results | ||
| 1912 Award Winners | ||
| PLAYER | TEAM | AWARD |
| No award winners. | ||
| Complete Results | ||
| 1912 Draft Picks | |||
| No picks available. | |||
| Complete Results |
| 1912 No-Hitters | ||||||
| DATE | PITCHER | TEAM | OPPONENT | SCORE | LEAGUE | NOTES |
| 9/6/1912 | Jeff Tesreau | NY | PHI | 3-0 | NL | |
| 8/30/1912 | Earl Hamilton | STL | DET | 5-1 | AL | |
| 7/4/1912 | George Mullin | DET | STL | 7-0 | AL | |
| Complete Results | ||||||