25 players are tied for the best career winning percentage by an active pitcher, winning 100.0 percent of the time. The first three are Brycen Mautz, Will Dion and Bryan King.
| NAME | W% | 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 |  | B. Mautz | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 2 | | W. Dion | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 3 | | B. King | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 4 | | D. Young | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 5 | | A. Macko | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 6 | | J. Mejia | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 7 | | R. Martin | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 8 | | J. Murray | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 9 | | R. Zeferjahn | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 10 | | J. Hagenman | 1.000 | 2 | 0 | 0 | |||||||||||||||||||||||
| 11 | | A. Walters | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 12 | | T. Madden | 1.000 | 2 | 0 | 0 | |||||||||||||||||||||||
| 13 | | H. Bigge | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 14 | | C. Mena | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 15 | | S. Bivens | 1.000 | 2 | 0 | 0 | |||||||||||||||||||||||
| 16 | | H. Milner | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 17 | | R. RodrÃguez | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 18 | | E. Pagán | 1.000 | 2 | 0 | 0 | |||||||||||||||||||||||
| 19 | | A. Vesia | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 20 | | G. Speier | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 21 | | J. Bruihl | 1.000 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
| 22 | | P. Maton | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 23 | | R. Thompson | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 24 | | M. Festa | 1.000 | 1 | 0 | 0 | |||||||||||||||||||||||
| 25 | | Y. GarcÃa | 1.000 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
StatMuse has game-level data for winning percentage going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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MLB 2026 Pitching Leaders
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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
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 |
Orioles
Blue Jays
Twins
Tigers
Royals
Rangers
Mariners
Athletics
Angels