Since 1920, Barry Bonds has the best on-base percentage in a season, with an on-base percentage of .609 in 2004.
Interpreted as:
highest obp with a minimum of 3.1 PA per team game by a player in a season since 1920| 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 |  | B. Bonds | .609 | 2004 | 147 | 373 | 129 | 135 | 27 | 3 | 45 | 101 | 232 | 9 | 41 | 6 | 1 | 617 | 303 | 75 | 0 | 3 | 120 | 5 | .362 | .812 | 1.422 | 185 | 108 | .537 | 233 | 105.7 | |
| 2 | | B. Bonds | .582 | 2002 | 143 | 403 | 117 | 149 | 31 | 2 | 46 | 110 | 198 | 9 | 47 | 9 | 2 | 612 | 322 | 79 | 0 | 2 | 68 | 4 | .370 | .799 | 1.381 | 183 | 110 | .544 | 244 | 109.9 | |
| 3 |  | T. Williams | .553 | 1941 | 143 | 456 | 135 | 185 | 33 | 3 | 37 | 120 | 147 | 3 | 27 | 2 | 4 | 606 | 335 | 73 | 0 | 10 | .406 | .735 | 1.287 | 179 | 108.8 | .568 | 221 | 96.9 | |||
| 4 |  | B. Ruth | .545 | 1923 | 152 | 522 | 151 | 205 | 45 | 13 | 41 | 130 | 170 | 4 | 93 | 17 | 21 | 699 | 399 | 99 | 3 | .393 | .764 | 1.309 | 211 | 124.7 | .571 | 230 | 120.4 | ||||
| 5 | | B. Ruth | .532 | 1920 | 142 | 458 | 158 | 172 | 36 | 9 | 54 | 135 | 150 | 3 | 80 | 14 | 14 | 616 | 388 | 99 | 5 | .376 | .847 | 1.379 | 191 | 120.9 | .597 | 237 | 110.5 | ||||
| 6 | | B. Bonds | .529 | 2003 | 130 | 390 | 111 | 133 | 22 | 1 | 45 | 90 | 148 | 10 | 58 | 7 | 0 | 550 | 292 | 68 | 0 | 2 | 61 | 7 | .341 | .749 | 1.278 | 148 | 80.5 | .503 | 212 | 79.4 | |
| 7 | | T. Williams | .526 | 1957 | 132 | 420 | 96 | 163 | 28 | 1 | 38 | 87 | 119 | 5 | 43 | 0 | 1 | 546 | 307 | 67 | 0 | 2 | 33 | 11 | .388 | .731 | 1.257 | 148 | 87.3 | .524 | 223 | 79 | |
| 8 | | B. Ruth | .516 | 1926 | 152 | 495 | 139 | 184 | 30 | 5 | 47 | 153 | 144 | 3 | 76 | 11 | 9 | 652 | 365 | 82 | 10 | .372 | .737 | 1.253 | 184 | 105.6 | .551 | 216 | 100.6 | ||||
| 9 | | B. Bonds | .515 | 2001 | 153 | 476 | 129 | 156 | 32 | 2 | 73 | 137 | 177 | 9 | 93 | 13 | 3 | 664 | 411 | 107 | 0 | 2 | 35 | 5 | .328 | .863 | 1.379 | 200 | 117.7 | .537 | 234 | 116.6 | |
| 10 | | T. Williams | .513 | 1954 | 117 | 386 | 93 | 133 | 23 | 1 | 29 | 89 | 136 | 1 | 32 | 0 | 0 | 526 | 245 | 53 | 0 | 3 | 10 | .345 | .635 | 1.148 | 131 | 71.1 | .507 | 207 | 65.5 | ||
| 11 | | B. Ruth | .513 | 1924 | 153 | 529 | 143 | 200 | 39 | 7 | 46 | 124 | 142 | 4 | 81 | 9 | 13 | 681 | 391 | 92 | 6 | .378 | .739 | 1.252 | 193 | 109.2 | .549 | 210 | 102 | ||||
| 12 | | B. Ruth | .512 | 1921 | 152 | 540 | 177 | 204 | 44 | 16 | 59 | 168 | 145 | 4 | 81 | 17 | 13 | 693 | 457 | 119 | 4 | .378 | .846 | 1.359 | 214 | 127.8 | .575 | 224 | 118.7 | ||||
| 13 |  | M. Mantle | .512 | 1957 | 144 | 474 | 121 | 173 | 28 | 6 | 34 | 94 | 146 | 0 | 75 | 16 | 3 | 623 | 315 | 68 | 0 | 3 | 23 | 5 | .365 | .665 | 1.177 | 157 | 87.1 | .498 | 217 | 86 | |
| 14 |  | R. Hornsby | .507 | 1924 | 143 | 536 | 121 | 227 | 43 | 14 | 25 | 94 | 89 | 2 | 32 | 5 | 12 | 640 | 373 | 82 | 13 | .424 | .696 | 1.203 | 175 | 96.7 | .537 | 221 | 95.9 | ||||
| 15 | | T. Williams | .499 | 1942 | 150 | 522 | 141 | 186 | 34 | 5 | 36 | 137 | 145 | 4 | 51 | 3 | 2 | 671 | 338 | 75 | 0 | 12 | .356 | .648 | 1.147 | 168 | 96.2 | .524 | 209 | 86.5 | |||
| 16 | | T. Williams | .499 | 1947 | 156 | 528 | 125 | 181 | 40 | 9 | 32 | 114 | 162 | 2 | 47 | 0 | 1 | 693 | 335 | 81 | 1 | 10 | .343 | .634 | 1.133 | 170 | 91.3 | .508 | 207 | 86.2 | |||
| 17 |  | R. Hornsby | .498 | 1928 | 140 | 486 | 99 | 188 | 42 | 7 | 21 | 94 | 107 | 1 | 41 | 5 | 619 | 307 | 70 | 25 | .387 | .632 | 1.130 | 156 | 80.2 | .506 | 196 | 78.1 | |||||
| 18 | | T. Williams | .497 | 1946 | 150 | 514 | 142 | 176 | 37 | 8 | 38 | 123 | 156 | 2 | 44 | 0 | 0 | 672 | 343 | 83 | 0 | 12 | .342 | .667 | 1.164 | 166 | 95.8 | .525 | 214 | 87.5 | |||
| 19 | | T. Williams | .497 | 1948 | 137 | 509 | 124 | 188 | 44 | 3 | 25 | 127 | 126 | 3 | 41 | 4 | 0 | 638 | 313 | 72 | 0 | 10 | .369 | .615 | 1.112 | 156 | 81 | .504 | 184 | 68.8 | |||
| 20 | | B. Ruth | .495 | 1931 | 145 | 534 | 149 | 199 | 31 | 3 | 46 | 162 | 128 | 1 | 51 | 5 | 4 | 663 | 374 | 80 | 0 | .373 | .700 | 1.195 | 181 | 98.6 | .525 | 206 | 95.1 | ||||
| 21 | | B. Ruth | .493 | 1930 | 145 | 518 | 150 | 186 | 28 | 9 | 49 | 153 | 136 | 1 | 61 | 10 | 10 | 676 | 379 | 86 | 21 | .359 | .732 | 1.225 | 192 | 97 | .517 | 204 | 100.6 | ||||
| 22 |  | A. Vaughan | .491 | 1935 | 137 | 499 | 108 | 192 | 34 | 10 | 19 | 99 | 97 | 7 | 18 | 4 | 610 | 303 | 63 | 7 | 5 | .385 | .607 | 1.098 | 151 | 75 | .493 | 194 | 72.7 | ||||
| 23 | | T. Williams | .490 | 1949 | 155 | 566 | 150 | 194 | 39 | 3 | 43 | 159 | 162 | 2 | 48 | 1 | 1 | 730 | 368 | 85 | 0 | 22 | .343 | .650 | 1.141 | 182 | 95.5 | .511 | 187 | 82.2 | |||
| 24 |  | J. Soto | .490 | 2020 | 47 | 154 | 39 | 54 | 14 | 0 | 13 | 37 | 41 | 1 | 28 | 6 | 2 | 196 | 107 | 27 | 0 | 0 | 12 | 1 | .351 | .695 | 1.185 | 51 | 26.1 | .478 | 201 | 25.4 | |
| 25 | | B. Ruth | .489 | 1932 | 133 | 457 | 120 | 156 | 13 | 5 | 41 | 137 | 130 | 2 | 62 | 2 | 2 | 589 | 302 | 59 | 0 | .341 | .661 | 1.150 | 153 | 79.1 | .501 | 192 | 75.3 | ||||
BSA
NYY
BOS
SLN
BSA
BSN
PIT
WSHMore MLB News
Khalil Watson drives in 3 runs, Guardians beat White Sox 4-3 in 10 innings to avoid sweep
Pirates first baseman Spencer Horwitz leaves vs. Mariners in fourth inning with hamstring issue
O'Hoppe's 10th inning single drives in winning run as Angels rally over Orioles 7-6
Freeman's bunt drives in go-ahead run, Carrigg has 3 RBIs as Rockies rally past Red Sox 8-6
Brewers' Abner Uribe serving 1-game suspension Wednesday night against Reds
Yankees put Ryan McMahon on injured list with a throat infection and recall Oswaldo Cabrera
More Giants Stats
Team Batting Leaders 
HR
16
Schmitt
RBI
42
Chapman
AVG
.331
Lee
Team Pitching Leaders 
W
6
Ray
K
89
Roupp
ERA
2.75
Brubaker
Team Rankings
HR
82
21st
R
320
25th
SO
615
26th
ERA
4.40
21st
2026 Division Standings
| TEAM | W | L | PCT | GB |
|---|---|---|---|---|
51 | 29 | .638 | ||
41 | 37 | .526 | 9.0 | |
40 | 39 | .506 | 10.5 | |
 Giants | 32 | 46 | .410 | 18.0 |
32 | 49 | .395 | 19.5 |
Dodgers
Padres
Diamondbacks
Rockies
ATH
ATL
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
48 | 30 | .615 | ||
43 | 36 | .544 | 5.5 | |
42 | 39 | .519 | 7.5 | |
41 | 39 | .513 | 8.0 | |
34 | 45 | .430 | 14.5 | |
| NL Central | W | L | PCT | GB |
48 | 29 | .623 | ||
42 | 35 | .545 | 6.0 | |
42 | 37 | .532 | 7.0 | |
40 | 40 | .500 | 9.5 | |
37 | 41 | .474 | 11.5 | |
| NL West | W | L | PCT | GB |
51 | 29 | .638 | ||
41 | 37 | .526 | 9.0 | |
40 | 39 | .506 | 10.5 | |
32 | 46 | .410 | 18.0 | |
32 | 49 | .395 | 19.5 |
Phillies
Marlins
Mets
Brewers
Cubs
Pirates
Reds| AL East | W | L | PCT | GB |
|---|---|---|---|---|
48 | 31 | .608 | ||
44 | 33 | .571 | 3.0 | |
39 | 41 | .488 | 9.5 | |
38 | 44 | .463 | 11.5 | |
32 | 46 | .410 | 15.5 | |
| AL Central | W | L | PCT | GB |
41 | 38 | .519 | ||
42 | 39 | .519 | ||
38 | 43 | .469 | 4.0 | |
34 | 46 | .425 | 7.5 | |
34 | 47 | .420 | 8.0 | |
| AL West | W | L | PCT | GB |
41 | 40 | .506 | ||
38 | 41 | .481 | 2.0 | |
39 | 43 | .476 | 2.5 | |
38 | 42 | .475 | 2.5 | |
34 | 48 | .415 | 7.5 |
Rays
Blue Jays
Orioles
Red Sox
White Sox
Guardians
Twins
Tigers
Royals
Mariners
Astros
Rangers
Angels