| 1905 MLB Leaders | ||
| 1905 American League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-Philadelphia | 92 | 56 | .605 | -- | -- | -- | 623 | 492 | +131 |
| Chicago | 92 | 60 | .582 | 2 | -- | -- | 612 | 451 | +161 |
| Detroit | 79 | 74 | .513 | 15.5 | -- | -- | 512 | 602 | -90 |
| Boston | 78 | 74 | .510 | 16 | -- | -- | 579 | 564 | +15 |
| Cleveland | 76 | 78 | .490 | 19 | -- | -- | 567 | 587 | -20 |
| New York | 71 | 78 | .467 | 21.5 | -- | -- | 586 | 622 | -36 |
| Washington | 64 | 87 | .416 | 29.5 | -- | -- | 559 | 623 | -64 |
| St. Louis | 54 | 99 | .346 | 40.5 | -- | -- | 511 | 608 | -97 |
| 1905 National League Standings | |||||||||
| TEAM | W | L | PCT | GB | HOME | ROAD | RS | RA | DIFF |
| *-New York | 105 | 48 | .677 | -- | -- | -- | 780 | 505 | +275 |
| Pittsburgh | 96 | 57 | .619 | 9 | -- | -- | 692 | 570 | +122 |
| Chicago | 92 | 61 | .594 | 13 | -- | -- | 667 | 442 | +225 |
| Philadelphia | 83 | 69 | .535 | 21.5 | -- | -- | 708 | 602 | +106 |
| Cincinnati | 79 | 74 | .510 | 26 | -- | -- | 735 | 698 | +37 |
| St. Louis | 58 | 96 | .377 | 47.5 | -- | -- | 535 | 734 | -199 |
| Boston | 51 | 103 | .327 | 54.5 | -- | -- | 468 | 733 | -265 |
| Brooklyn | 48 | 104 | .310 | 56.5 | -- | -- | 506 | 807 | -301 |
| 1905 All-Star Results | |||||||||
| No results available. | |||||||||
| Rosters | Complete Results | |||||||||
| 1905 Postseason Results | ||
| ROUND | OUTCOME | RESULT |
| World Series | New York Giants defeated Philadelphia Athletics | 4-1 |
| Complete Results | ||
| 1905 Award Winners | ||
| No award winners. | ||
| Complete Results |
| 1905 Draft Picks | |||
| No picks available. | |||
| Complete Results |
| 1905 No-Hitters | ||||||
| DATE | PITCHER | TEAM | OPPONENT | SCORE | LEAGUE | NOTES |
| 9/27/1905 | Bill Dinneen | BOS | CHI | 2-0 | AL | |
| 9/6/1905 | Frank Smith | CHI | DET | 15-0 | AL | |
| 7/22/1905 | Weldon Henley | PHI | STL | 6-0 | AL | |
| 6/13/1905 | Christy Mathewson | NY | CHI | 1-0 | NL | |
| Complete Results | ||||||