Between the 1989 and 1991 seasons, Frank Thomas had the highest on-base percentage in a season, with an on-base percentage of .453 in 1991.
| NAME | OBP | SEASON | TM | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | SLG | OPS | wRC | WRAA | wOBA | wRC+ | BRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | F. Thomas | .453 | 1991 | 158 | 559 | 104 | 178 | 31 | 2 | 32 | 109 | 138 | 1 | 112 | 1 | 2 | 700 | 309 | 65 | 0 | 2 | 13 | 20 | .318 | .553 | 1.006 | 146 | 66.8 | .442 | 179 | 65.4 | |
| 2 |  | R. Henderson | .439 | 1990 | 136 | 489 | 119 | 159 | 33 | 3 | 28 | 61 | 97 | 4 | 60 | 65 | 10 | 594 | 282 | 64 | 2 | 2 | 2 | 13 | .325 | .577 | 1.016 | 125 | 58.9 | .447 | 190 | 60.9 | |
| 3 |  | W. Boggs | .430 | 1989 | 156 | 621 | 113 | 205 | 51 | 7 | 3 | 54 | 107 | 7 | 51 | 2 | 6 | 742 | 279 | 61 | 0 | 7 | 19 | 19 | .330 | .449 | .879 | 124 | 43.6 | .391 | 143 | 36.4 | |
| 4 |  | W. Randolph | .424 | 1991 | 124 | 431 | 60 | 141 | 14 | 3 | 0 | 54 | 75 | 0 | 38 | 4 | 2 | 512 | 161 | 17 | 3 | 3 | 3 | 14 | .327 | .374 | .798 | 78 | 20 | .369 | 131 | 18.5 | |
| 5 | | A. Davis | .424 | 1989 | 142 | 498 | 84 | 152 | 30 | 1 | 21 | 95 | 101 | 6 | 49 | 0 | 1 | 611 | 247 | 52 | 0 | 6 | 15 | 15 | .305 | .496 | .920 | 109 | 43 | .407 | 154 | 37.7 | |
| 6 | | W. Boggs | .421 | 1991 | 144 | 546 | 93 | 181 | 42 | 2 | 8 | 51 | 89 | 0 | 32 | 1 | 2 | 641 | 251 | 52 | 0 | 6 | 25 | 16 | .332 | .460 | .881 | 105 | 33.1 | .385 | 135 | 26.1 | |
| 7 | | L. Dykstra | .418 | 1990 | 149 | 590 | 106 | 192 | 35 | 3 | 9 | 60 | 89 | 7 | 48 | 33 | 5 | 691 | 260 | 47 | 2 | 3 | 14 | 5 | .325 | .441 | .859 | 112 | 35 | .384 | 138 | 31 | |
| 8 | | D. Magadan | .417 | 1990 | 144 | 451 | 74 | 148 | 28 | 6 | 6 | 72 | 74 | 2 | 55 | 2 | 1 | 541 | 206 | 40 | 4 | 10 | 4 | 11 | .328 | .457 | .874 | 90 | 29.9 | .390 | 147 | 29.8 | |
| 9 | | L. Smith | .415 | 1989 | 134 | 482 | 89 | 152 | 34 | 4 | 21 | 79 | 76 | 11 | 95 | 25 | 12 | 577 | 257 | 59 | 1 | 7 | 3 | 7 | .315 | .533 | .948 | 109 | 46.5 | .420 | 166 | 41.8 | |
| 10 | | E. Murray | .414 | 1990 | 155 | 558 | 96 | 184 | 22 | 3 | 26 | 95 | 82 | 1 | 64 | 8 | 5 | 645 | 290 | 51 | 0 | 4 | 21 | 19 | .330 | .520 | .934 | 116 | 43.7 | .407 | 156 | 42.1 | |
| 11 | | R. Henderson | .411 | 1989 | TOT | 150 | 541 | 113 | 148 | 26 | 3 | 12 | 57 | 126 | 3 | 68 | 77 | 14 | 674 | 216 | 41 | 0 | 4 | 5 | 8 | .274 | .399 | .810 | 104 | 30.5 | .373 | 139 | 29.8 |
| 12 |  | B. Bonds | .410 | 1991 | 153 | 510 | 95 | 149 | 28 | 5 | 25 | 116 | 107 | 4 | 73 | 43 | 13 | 634 | 262 | 58 | 0 | 13 | 25 | 8 | .292 | .514 | .924 | 110 | 38.3 | .396 | 155 | 39.4 | |
| 13 | | J. Clark | .410 | 1989 | 142 | 455 | 76 | 110 | 19 | 1 | 26 | 94 | 132 | 1 | 145 | 6 | 2 | 593 | 209 | 46 | 0 | 5 | 18 | 10 | .242 | .459 | .869 | 97 | 32.6 | .386 | 151 | 32.9 | |
| 14 | | J. Franco | .408 | 1991 | 146 | 589 | 108 | 201 | 27 | 3 | 15 | 78 | 65 | 3 | 78 | 36 | 9 | 659 | 279 | 45 | 0 | 2 | 8 | 13 | .341 | .474 | .882 | 113 | 38.3 | .393 | 146 | 35.6 | |
| 15 | | W. Clark | .407 | 1989 | 159 | 588 | 104 | 196 | 38 | 9 | 23 | 111 | 74 | 5 | 103 | 8 | 3 | 675 | 321 | 70 | 0 | 8 | 14 | 6 | .333 | .546 | .953 | 126 | 52.4 | .416 | 174 | 54.9 | |
| 16 | | B. Bonds | .406 | 1990 | 151 | 519 | 104 | 156 | 32 | 3 | 33 | 114 | 93 | 3 | 83 | 52 | 13 | 621 | 293 | 68 | 0 | 6 | 15 | 8 | .301 | .565 | .970 | 118 | 48.3 | .420 | 166 | 47.4 | |
| 17 | | M. Grace | .405 | 1989 | 142 | 510 | 74 | 160 | 28 | 3 | 13 | 79 | 80 | 0 | 42 | 14 | 7 | 596 | 233 | 44 | 3 | 3 | 13 | 13 | .314 | .457 | .862 | 96 | 31.6 | .384 | 143 | 28 | |
| 18 | | E. Martinez | .405 | 1991 | 150 | 544 | 98 | 167 | 35 | 1 | 14 | 52 | 84 | 8 | 72 | 0 | 3 | 642 | 246 | 50 | 2 | 4 | 9 | 19 | .307 | .452 | .857 | 105 | 32.5 | .384 | 137 | 28.4 | |
| 19 | | B. Butler | .401 | 1991 | 161 | 615 | 112 | 182 | 13 | 5 | 2 | 38 | 108 | 1 | 79 | 38 | 28 | 730 | 211 | 20 | 4 | 2 | 4 | 3 | .296 | .343 | .744 | 99 | 16.4 | .347 | 122 | 18.5 | |
| 20 | | F. McGriff | .400 | 1990 | 153 | 557 | 91 | 167 | 21 | 1 | 35 | 88 | 94 | 2 | 108 | 5 | 3 | 658 | 295 | 57 | 1 | 4 | 12 | 7 | .300 | .530 | .930 | 119 | 45.2 | .408 | 157 | 42.9 | |
| 21 | | R. Henderson | .400 | 1991 | 134 | 470 | 105 | 126 | 17 | 1 | 18 | 57 | 98 | 7 | 73 | 58 | 18 | 578 | 199 | 36 | 0 | 3 | 7 | 7 | .268 | .423 | .823 | 90 | 24.8 | .374 | 137 | 25 | |
| 22 | | P. Molitor | .399 | 1991 | 158 | 665 | 133 | 216 | 32 | 13 | 17 | 75 | 77 | 6 | 62 | 19 | 8 | 749 | 325 | 62 | 0 | 1 | 16 | 11 | .325 | .489 | .888 | 127 | 42.1 | .391 | 145 | 39.8 | |
| 23 | | F. McGriff | .399 | 1989 | 161 | 551 | 98 | 148 | 27 | 3 | 36 | 92 | 119 | 4 | 132 | 7 | 4 | 680 | 289 | 66 | 1 | 5 | 12 | 14 | .269 | .525 | .924 | 122 | 47.9 | .407 | 156 | 43.5 | |
| 24 |  | K. Griffey Jr. | .399 | 1991 | 154 | 548 | 76 | 179 | 42 | 1 | 22 | 100 | 71 | 1 | 82 | 18 | 6 | 633 | 289 | 65 | 4 | 9 | 21 | 10 | .327 | .527 | .926 | 111 | 39.6 | .399 | 147 | 35.5 | |
| 25 | | C. Lansford | .398 | 1989 | 148 | 551 | 81 | 185 | 28 | 2 | 2 | 52 | 51 | 9 | 25 | 37 | 15 | 616 | 223 | 32 | 1 | 4 | 2 | 21 | .336 | .405 | .803 | 92 | 24.6 | .366 | 136 | 25.4 | |
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| 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 | |
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86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
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|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
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 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
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 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
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 Astros - y | 81 | 81 | .500 | |
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