42 players are tied for the highest career on-base percentage by a 23-year-old player, with an on-base percentage of 1.000. The first three are Josh Lowe, Tyler Stephenson and Dennis Santana.
| NAME | OBP | Age | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Lowe | 1.000 | 23 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 2 | | T. Stephenson | 1.000 | 23 | 1 | 2 | 2 | 2 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 5 | 1 | 0 | 0 | 0 | 0 | 1.000 | 2.500 | 3.500 |
| 3 | | D. Santana | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 4 | | J. Torres | 1.000 | 23 | 58 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 5 | | P. Valaika | 1.000 | 23 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1.000 | 2.000 | 3.000 |
| 6 |  | J. Bell | 1.000 | 23 | 4 | 2 | 3 | 2 | 0 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 | 1.000 | 2.500 | 3.500 |
| 7 | | E. Ramos | 1.000 | 23 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 8 | | J. Stinson | 1.000 | 23 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 9 | | T. Clippard | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 10 | | C. James | 1.000 | 23 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 11 | | J.R. House | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 12 | | C. George | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 13 | | D. Klassen | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 14 | | J. Wallace | 1.000 | 23 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 15 |  | M. Piazza | 1.000 | 23 | 1 | 3 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | 1.000 | 1.333 | 2.333 |
| 16 | | E. Wedge | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 17 | | D. Liddell | 1.000 | 24 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 18 | | B. Gideon | 1.000 | 23 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 19 | | G. Polidor | 1.000 | 23 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 20 | | P. Zachry | 1.000 | 24 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 21 | | M. McQueen | 1.000 | 23 | 10 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 22 | | D. Medich | 1.000 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 23 | | T. Muser | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 24 | | C. Upshaw | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
| 25 | | P. Popovich | 1.000 | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 2.000 |
StatMuse has game-level data for on-base percentage and player age going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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Team Batting Leaders 
HR
1
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RBI
2
Aranda
AVG
.500
Vilade
Team Pitching Leaders 
W
1
Rasmussen
K
10
Rasmussen
ERA
0.00
Rasmussen
Team Rankings
HR
169
22nd
R
736
12th
SO
1,322
19th
ERA
3.70
7th
Orioles
Blue Jays
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
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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 |
Twins
Tigers
Royals
Rangers
Mariners
Athletics
Angels