Since 1911, the New York Yankees have their worst on-base percentage with 5+ games played in Octobers, with an on-base percentage of .320.
| TEAM | OBP | G | MONTH | W% | W | L | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Yankees | .320 | 177 | October | .517 | 91 | 85 | 5,910 | 719 | 1,455 | 242 | 43 | 140 | 658 | 607 | 43 | 1,007 | 152 | 31 | 6,648 | 2,203 | 425 | 60 | 28 | 29 | 99 | .246 | .373 | .692 |
| 2 | | Yankees | .336 | 3,033 | September | .582 | 1,758 | 1,264 | 102,683 | 14,428 | 26,923 | 4,471 | 812 | 2,763 | 10,965 | 722 | 1,690 | 416 | 116,220 | 41,307 | 8,046 | 1,355 | 495 | 481 | 1,731 | .262 | .402 | .738 | ||
| 3 | | Yankees | .340 | 3,333 | August | .560 | 1,861 | 1,463 | 114,316 | 16,251 | 30,608 | 5,081 | 932 | 3,207 | 12,064 | 812 | 1,765 | 517 | 129,362 | 47,174 | 9,220 | 1,594 | 576 | 531 | 1,990 | .268 | .413 | .753 | ||
| 4 | | Yankees | .340 | 1,923 | April | .564 | 1,082 | 838 | 65,127 | 9,271 | 16,983 | 2,985 | 452 | 1,816 | 8,663 | 7,559 | 522 | 1,179 | 398 | 74,412 | 26,320 | 5,253 | 773 | 431 | 335 | 1,310 | .261 | .404 | .744 | |
| 5 | | Yankees | .341 | 3,045 | May | .580 | 1,757 | 1,271 | 103,853 | 15,061 | 27,565 | 4,693 | 882 | 2,905 | 11,464 | 805 | 1,781 | 505 | 118,130 | 42,737 | 8,480 | 1,411 | 597 | 496 | 1,850 | .265 | .412 | .753 | ||
| 6 | | Yankees | .342 | 3,098 | June | .572 | 1,769 | 1,321 | 106,475 | 15,635 | 28,622 | 4,744 | 887 | 3,163 | 11,489 | 713 | 1,714 | 493 | 120,732 | 44,629 | 8,794 | 1,487 | 568 | 514 | 1,812 | .269 | .419 | .762 | ||
| 7 | | Yankees | .344 | 3,212 | July | .582 | 1,860 | 1,338 | 110,492 | 16,416 | 30,074 | 5,061 | 943 | 3,127 | 11,632 | 844 | 1,736 | 490 | 125,232 | 46,402 | 9,131 | 1,685 | 579 | 455 | 1,892 | .272 | .420 | .764 | ||
| 8 | | Yankees | .370 | 18 | March | .778 | 14 | 4 | 603 | 119 | 161 | 28 | 2 | 40 | 114 | 93 | 10 | 149 | 5 | 1 | 715 | 313 | 70 | 2 | 7 | 1 | 19 | .267 | .519 | .889 |
Some of the information used here was obtained free of charge from Retrosheet.
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