Since 1981, Bob Stanley has pitched the most innings by a relief pitcher in a season, with 168.1 innings in 1982.
| NAME | IP | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Stanley | 168.1 | 1982 | 48 | 12 | 7 | .632 | 0 | 3.10 | 83 | 0 | 0 | 14 | 161 | 58 | 60 | 11 | 50 | 4 | 33 | 6 | 694 | 2 | 4.44 | 2.67 | 1.66 | 0.59 | 12.0 | 7.2 | 1.25 | .275 | 3.21 | 8.61 | |
| 2 | | M. Eichhorn | 157.0 | 1986 | 69 | 14 | 6 | .700 | 0 | 1.72 | 166 | 0 | 0 | 10 | 105 | 30 | 32 | 8 | 45 | 7 | 38 | 14 | 612 | 2 | 9.52 | 2.58 | 3.69 | 0.46 | 27.1 | 7.4 | 0.96 | .251 | 1.83 | 6.02 | |
| 3 | | B. Stanley | 145.1 | 1983 | 64 | 8 | 10 | .444 | 0 | 2.85 | 65 | 0 | 0 | 33 | 145 | 46 | 56 | 7 | 38 | 3 | 53 | 12 | 602 | 4 | 4.03 | 2.35 | 1.71 | 0.43 | 10.8 | 6.3 | 1.26 | .282 | 3.47 | 8.98 | |
| 4 | | W. Hernandez | 140.1 | 1984 | 80 | 9 | 3 | .750 | 0 | 1.92 | 112 | 0 | 0 | 32 | 96 | 30 | 30 | 6 | 36 | 4 | 68 | 8 | 548 | 2 | 7.18 | 2.31 | 3.11 | 0.38 | 20.4 | 6.6 | 0.94 | .231 | 1.92 | 6.16 | |
| 5 | | S. Stewart | 140.1 | 1983 | 57 | 9 | 3 | .750 | 0 | 3.46 | 91 | 0 | 0 | 7 | 130 | 54 | 56 | 7 | 64 | 1 | 21 | 4 | 600 | 8 | 5.84 | 4.10 | 1.42 | 0.45 | 15.2 | 10.7 | 1.38 | .281 | 3.59 | 8.34 | |
| 6 | | D. Quisenberry | 139.0 | 1983 | 69 | 5 | 3 | .625 | 0 | 1.94 | 48 | 0 | 0 | 45 | 118 | 30 | 35 | 6 | 11 | 0 | 62 | 2 | 536 | 0 | 3.11 | 0.71 | 4.36 | 0.39 | 9.0 | 2.1 | 0.93 | .238 | 2.27 | 7.64 | |
| 7 | | A. Lopez | 137.2 | 1984 | 71 | 10 | 1 | .909 | 0 | 2.94 | 94 | 0 | 0 | 14 | 109 | 45 | 51 | 16 | 52 | 2 | 41 | 6 | 559 | 3 | 6.15 | 3.40 | 1.81 | 1.05 | 16.8 | 9.3 | 1.17 | .235 | 3.33 | 7.13 | |
| 8 | | D. Quisenberry | 136.2 | 1982 | 72 | 9 | 7 | .563 | 0 | 2.57 | 46 | 0 | 0 | 35 | 126 | 39 | 43 | 12 | 12 | 0 | 68 | 2 | 529 | 1 | 3.03 | 0.79 | 3.83 | 0.79 | 8.7 | 2.3 | 1.01 | .248 | 2.83 | 8.30 | |
| 9 | | D. Spillner | 133.2 | 1982 | 65 | 12 | 10 | .545 | 0 | 2.49 | 90 | 0 | 0 | 21 | 117 | 37 | 44 | 9 | 45 | 0 | 54 | 7 | 557 | 5 | 6.06 | 3.03 | 2.00 | 0.61 | 16.2 | 8.1 | 1.21 | .262 | 2.96 | 7.88 | |
| 10 | | D. Quisenberry | 129.1 | 1984 | 72 | 6 | 3 | .667 | 0 | 2.64 | 41 | 0 | 0 | 44 | 121 | 38 | 39 | 10 | 12 | 0 | 67 | 4 | 506 | 0 | 2.85 | 0.84 | 3.42 | 0.70 | 8.1 | 2.4 | 1.03 | .251 | 2.71 | 8.42 | |
| 11 | | D. Quisenberry | 129.0 | 1985 | 84 | 8 | 9 | .471 | 0 | 2.37 | 54 | 0 | 0 | 37 | 142 | 34 | 41 | 8 | 16 | 1 | 76 | 5 | 532 | 0 | 3.77 | 1.12 | 3.38 | 0.56 | 10.2 | 3.0 | 1.22 | .296 | 2.86 | 9.91 | |
| 12 | | K. Tekulve | 128.2 | 1982 | 85 | 12 | 8 | .600 | 0 | 2.87 | 66 | 0 | 0 | 20 | 113 | 41 | 47 | 7 | 46 | 3 | 64 | 23 | 541 | 1 | 4.62 | 3.22 | 1.43 | 0.49 | 12.2 | 8.5 | 1.24 | .253 | 3.29 | 7.90 | |
| 13 | | R. McDowell | 128.0 | 1986 | 75 | 14 | 9 | .609 | 0 | 3.02 | 65 | 0 | 0 | 22 | 107 | 43 | 48 | 4 | 42 | 3 | 52 | 5 | 524 | 3 | 4.57 | 2.95 | 1.55 | 0.28 | 12.4 | 8.0 | 1.16 | .251 | 3.38 | 7.52 | |
| 14 | | D. Ward | 127.2 | 1990 | 73 | 2 | 8 | .200 | 0 | 3.45 | 112 | 0 | 0 | 11 | 101 | 49 | 51 | 9 | 42 | 1 | 39 | 10 | 508 | 5 | 7.90 | 2.96 | 2.67 | 0.63 | 22.0 | 8.3 | 1.12 | .267 | 3.60 | 7.12 | |
| 15 | | M. Eichhorn | 127.2 | 1987 | 89 | 10 | 6 | .625 | 0 | 3.17 | 96 | 0 | 0 | 4 | 110 | 45 | 47 | 14 | 52 | 6 | 27 | 13 | 540 | 3 | 6.77 | 3.67 | 1.85 | 0.99 | 17.8 | 9.6 | 1.27 | .258 | 3.31 | 7.75 | |
| 16 | | S. Stewart | 127.1 | 1985 | 55 | 5 | 6 | .455 | 0 | 3.32 | 76 | 0 | 0 | 9 | 110 | 47 | 55 | 14 | 65 | 1 | 36 | 10 | 542 | 5 | 5.37 | 4.59 | 1.17 | 0.99 | 14.0 | 12.0 | 1.37 | .249 | 3.89 | 7.77 | |
| 17 | | J. Acker | 126.0 | 1989 | TOT | 73 | 2 | 7 | .222 | 0 | 2.43 | 92 | 0 | 0 | 2 | 108 | 34 | 36 | 6 | 32 | 2 | 26 | 11 | 499 | 3 | 6.57 | 2.29 | 2.88 | 0.43 | 18.4 | 6.4 | 1.11 | .278 | 2.57 | 7.71 |
| 18 | | J. Robinson | 124.2 | 1988 | 75 | 11 | 5 | .688 | 0 | 3.03 | 87 | 0 | 0 | 9 | 113 | 42 | 44 | 6 | 39 | 3 | 35 | 5 | 513 | 11 | 6.28 | 2.82 | 2.23 | 0.43 | 17.0 | 7.6 | 1.22 | .283 | 3.18 | 8.16 | |
| 19 | | L. McCullers | 123.1 | 1987 | 78 | 8 | 10 | .444 | 0 | 3.72 | 126 | 0 | 0 | 16 | 115 | 51 | 60 | 11 | 59 | 2 | 41 | 11 | 540 | 5 | 9.19 | 4.31 | 2.14 | 0.80 | 23.3 | 10.9 | 1.41 | .304 | 4.38 | 8.39 | |
| 20 | | J. Robinson | 123.1 | 1987 | TOT | 81 | 8 | 9 | .471 | 0 | 2.85 | 101 | 0 | 0 | 14 | 89 | 39 | 43 | 11 | 54 | 1 | 40 | 11 | 495 | 5 | 7.37 | 3.94 | 1.87 | 0.80 | 20.4 | 10.9 | 1.16 | .238 | 3.14 | 6.49 |
| 21 | | G. Minton | 123.0 | 1982 | 78 | 10 | 4 | .714 | 0 | 1.83 | 58 | 0 | 0 | 30 | 108 | 25 | 29 | 5 | 42 | 2 | 66 | 17 | 496 | 7 | 4.24 | 3.07 | 1.38 | 0.37 | 11.7 | 8.5 | 1.22 | .265 | 2.12 | 7.90 | |
| 22 | | B. Sutter | 122.2 | 1984 | 71 | 5 | 7 | .417 | 0 | 1.54 | 77 | 0 | 0 | 45 | 109 | 21 | 26 | 9 | 23 | 1 | 63 | 4 | 477 | 2 | 5.65 | 1.69 | 3.35 | 0.66 | 16.1 | 4.8 | 1.08 | .272 | 1.91 | 8.00 | |
| 23 | | B. Campbell | 122.1 | 1983 | 82 | 6 | 8 | .429 | 0 | 4.49 | 97 | 0 | 0 | 8 | 128 | 61 | 65 | 4 | 49 | 1 | 46 | 18 | 530 | 6 | 7.14 | 3.60 | 1.98 | 0.29 | 18.3 | 9.2 | 1.45 | .327 | 4.78 | 9.42 | |
| 24 | | D. Darwin | 122.0 | 1989 | 68 | 11 | 4 | .733 | 0 | 2.36 | 104 | 0 | 0 | 7 | 92 | 32 | 35 | 8 | 33 | 2 | 26 | 9 | 482 | 2 | 7.67 | 2.43 | 3.15 | 0.59 | 21.6 | 6.8 | 1.02 | .251 | 2.58 | 6.79 | |
| 25 | | S. Bedrosian | 122.0 | 1982 | 61 | 7 | 5 | .583 | 0 | 2.29 | 114 | 0 | 0 | 11 | 86 | 31 | 33 | 4 | 51 | 3 | 30 | 4 | 499 | 0 | 8.41 | 3.76 | 2.24 | 0.30 | 22.8 | 10.2 | 1.12 | .251 | 2.43 | 6.34 | |
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HOUStatMuse has game-level data for innings pitched going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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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
Reds
Diamondbacks
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 |
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Mariners
Athletics
Angels