The Boston Red Sox have the highest winning percentage by a team in a season, winning 69.1 percent of the time in 1912.
| TEAM | W% | SEASON | W | L | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Red Sox | .691 | 1912 | 105 | 47 | 154 | 5,071 | 799 | 1,404 | 269 | 84 | 29 | 654 | 565 | 45 | 586 | 185 | 182 | 5,872 | 1,928 | 382 | 191 | .277 | .355 | .380 | .735 | |||
| 2 |  | Red Sox | .675 | 1946 | 104 | 50 | 156 | 5,318 | 792 | 1,441 | 268 | 50 | 109 | 737 | 687 | 15 | 661 | 45 | 36 | 6,126 | 2,136 | 427 | 106 | 133 | .271 | .356 | .402 | .758 | ||
| 3 | | Red Sox | .669 | 1915 | 101 | 50 | 155 | 5,024 | 668 | 1,308 | 202 | 76 | 14 | 574 | 527 | 49 | 476 | 118 | 117 | 5,865 | 1,704 | 292 | 265 | .260 | .336 | .339 | .676 | |||
| 4 | | Red Sox | .667 | 2018 | 108 | 54 | 162 | 5,623 | 876 | 1,509 | 355 | 31 | 208 | 829 | 569 | 55 | 1,253 | 125 | 31 | 6,302 | 2,550 | 594 | 7 | 48 | 38 | 130 | .268 | .339 | .453 | .792 |
| 5 |  | Americans | .659 | 1903 | 91 | 47 | 141 | 4,919 | 708 | 1,336 | 222 | 113 | 48 | 609 | 262 | 36 | 559 | 141 | 5,365 | 1,928 | 383 | 148 | .272 | .313 | .392 | .705 | ||||
| 6 | | Red Sox | .623 | 1949 | 96 | 58 | 155 | 5,320 | 896 | 1,500 | 272 | 36 | 131 | 835 | 835 | 17 | 510 | 43 | 25 | 6,250 | 2,237 | 439 | 78 | 169 | .282 | .381 | .420 | .802 | ||
| 7 | | Red Sox | .619 | 1948 | 96 | 59 | 155 | 5,363 | 907 | 1,471 | 277 | 40 | 121 | 854 | 821 | 32 | 549 | 38 | 17 | 6,282 | 2,191 | 438 | 66 | 144 | .274 | .374 | .409 | .782 | ||
| 8 | | Americans | .617 | 1904 | 95 | 59 | 157 | 5,231 | 608 | 1,294 | 194 | 105 | 26 | 522 | 347 | 51 | 573 | 101 | 5,784 | 1,776 | 325 | 155 | .247 | .301 | .340 | .640 | ||||
| 9 |  | Red Sox | .612 | 1942 | 93 | 59 | 152 | 5,248 | 761 | 1,451 | 244 | 55 | 103 | 702 | 591 | 22 | 508 | 68 | 61 | 5,984 | 2,114 | 402 | 123 | 94 | .276 | .352 | .403 | .755 | ||
| 10 | | Red Sox | .610 | 1950 | 94 | 60 | 154 | 5,516 | 1,027 | 1,665 | 287 | 61 | 161 | 974 | 719 | 25 | 580 | 32 | 17 | 6,322 | 2,557 | 509 | 62 | 153 | .302 | .385 | .464 | .848 | ||
| 11 |  | Red Sox | .607 | 1978 | 99 | 64 | 163 | 5,587 | 796 | 1,493 | 270 | 46 | 172 | 738 | 582 | 24 | 835 | 74 | 51 | 6,316 | 2,371 | 488 | 65 | 58 | 43 | 135 | .267 | .336 | .424 | .760 |
| 12 | | Red Sox | .605 | 2004 | 98 | 64 | 162 | 5,720 | 949 | 1,613 | 373 | 25 | 222 | 912 | 659 | 69 | 1,189 | 68 | 30 | 6,515 | 2,702 | 620 | 12 | 55 | 39 | 123 | .282 | .360 | .472 | .832 |
| 13 | | Red Sox | .602 | 1977 | 97 | 64 | 161 | 5,510 | 859 | 1,551 | 258 | 56 | 213 | 828 | 528 | 42 | 905 | 66 | 47 | 6,184 | 2,560 | 527 | 45 | 59 | 38 | 132 | .281 | .345 | .465 | .810 |
| 14 | | Red Sox | .599 | 2013 | 97 | 65 | 162 | 5,651 | 853 | 1,566 | 363 | 29 | 178 | 819 | 581 | 72 | 1,308 | 123 | 19 | 6,378 | 2,521 | 570 | 24 | 50 | 51 | 137 | .277 | .349 | .446 | .795 |
| 15 |  | Red Sox | .597 | 1995 | 86 | 58 | 144 | 4,997 | 791 | 1,399 | 286 | 31 | 175 | 754 | 560 | 65 | 923 | 99 | 44 | 5,716 | 2,272 | 492 | 45 | 49 | 38 | 129 | .280 | .357 | .455 | .812 |
| 16 | | Red Sox | .595 | 1918 | 75 | 51 | 126 | 3,982 | 473 | 990 | 159 | 54 | 15 | 385 | 407 | 27 | 324 | 110 | 4,607 | 1,302 | 228 | 191 | .249 | .322 | .327 | .649 | ||||
| 17 | | Red Sox | .595 | 1914 | 91 | 62 | 159 | 5,117 | 589 | 1,278 | 226 | 85 | 18 | 512 | 490 | 39 | 549 | 177 | 176 | 5,819 | 1,728 | 329 | 173 | .250 | .320 | .338 | .658 | |||
| 18 | | Red Sox | .594 | 1975 | 95 | 65 | 160 | 5,448 | 796 | 1,500 | 284 | 44 | 134 | 756 | 565 | 34 | 741 | 66 | 58 | 6,175 | 2,274 | 462 | 75 | 53 | 57 | 137 | .275 | .344 | .417 | .761 |
| 19 | | Red Sox | .593 | 2007 | 96 | 66 | 162 | 5,589 | 867 | 1,561 | 352 | 35 | 166 | 829 | 689 | 64 | 1,042 | 96 | 24 | 6,426 | 2,481 | 553 | 30 | 54 | 54 | 146 | .279 | .362 | .444 | .806 |
| 20 | | Red Sox | .592 | 1917 | 90 | 62 | 157 | 5,048 | 556 | 1,243 | 198 | 64 | 14 | 478 | 466 | 34 | 473 | 105 | 5,858 | 1,611 | 276 | 310 | .246 | .314 | .319 | .633 | ||||
| 21 | | Red Sox | .591 | 1916 | 91 | 63 | 156 | 5,018 | 548 | 1,246 | 197 | 56 | 14 | 455 | 464 | 38 | 482 | 129 | 5,756 | 1,597 | 267 | 236 | .248 | .317 | .318 | .635 | ||||
| 22 | | Red Sox | .591 | 1938 | 88 | 61 | 150 | 5,229 | 902 | 1,566 | 298 | 56 | 98 | 860 | 649 | 13 | 462 | 55 | 51 | 6,003 | 2,270 | 452 | 112 | .299 | .378 | .434 | .812 | |||
| 23 | | Red Sox | .590 | 1986 | 95 | 66 | 161 | 5,498 | 794 | 1,488 | 320 | 21 | 144 | 752 | 595 | 66 | 707 | 41 | 34 | 6,255 | 2,282 | 485 | 44 | 52 | 56 | 142 | .271 | .346 | .415 | .761 |
| 24 | | Red Sox | .589 | 1939 | 89 | 62 | 152 | 5,308 | 890 | 1,543 | 287 | 57 | 124 | 832 | 591 | 15 | 502 | 42 | 44 | 6,054 | 2,316 | 468 | 140 | 146 | .291 | .363 | .436 | .800 | ||
| 25 | | Red Sox | .586 | 2009 | 95 | 67 | 162 | 5,543 | 872 | 1,495 | 335 | 25 | 212 | 822 | 659 | 70 | 1,120 | 126 | 39 | 6,342 | 2,516 | 572 | 19 | 51 | 39 | 137 | .270 | .352 | .454 | .806 |
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Team Batting Leaders 
HR
1
Contreras
RBI
1
Contreras
AVG
.500
Eaton
Team Pitching Leaders 
K
5
Gray
ERA
0.00
Chapman
Team Rankings
HR
163
26th
R
689
23rd
SO
1,398
11th
ERA
3.54
3rd
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MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
Marlins
Nationals
Mets
Pirates
Cardinals
Reds
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |
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Tigers
Royals
Rangers
Mariners
Athletics
Angels