Since 1980, Ron Guidry has played the most seasons by a relief pitcher with an ERA of 2.00 or better, with 7 seasons.
| NAME | SEAS | ERA | G | W | L | W% | GS | SO | CG | SHO | SV | IP | 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 |  | R. Guidry | 7 | 1.91 | 20 | 1 | 2 | .333 | 0 | 31 | 0 | 0 | 1 | 37.2 | 31 | 8 | 10 | 3 | 3 | 0 | 9 | 0 | 144 | 1 | 7.41 | 0.72 | 10.33 | 0.72 | 21.5 | 2.1 | 0.90 | .262 | 2.39 | 7.41 |
| 2 |  | E. Clase | 6 | 1.88 | 365 | 21 | 25 | .457 | 0 | 349 | 0 | 0 | 182 | 359.0 | 266 | 75 | 111 | 15 | 68 | 9 | 297 | 10 | 1,412 | 19 | 8.75 | 1.70 | 5.13 | 0.38 | 24.7 | 4.8 | 0.93 | .258 | 2.78 | 6.67 |
| 3 | | J. Armstrong | 6 | 1.58 | 22 | 4 | 0 | 1.000 | 0 | 43 | 0 | 0 | 0 | 51.1 | 34 | 9 | 9 | 4 | 24 | 0 | 10 | 2 | 204 | 0 | 7.54 | 4.21 | 1.79 | 0.70 | 21.1 | 11.8 | 1.13 | .226 | 1.58 | 5.96 |
| 4 | | M. Moore | 6 | 1.54 | 10 | 1 | 0 | 1.000 | 0 | 7 | 0 | 0 | 2 | 11.2 | 9 | 2 | 2 | 1 | 2 | 0 | 6 | 0 | 44 | 0 | 5.40 | 1.54 | 3.50 | 0.77 | 15.9 | 4.5 | 0.94 | .235 | 1.54 | 6.94 |
| 5 | | C. Culberson | 5 | 1.23 | 8 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7.1 | 7 | 1 | 1 | 0 | 3 | 0 | 8 | 0 | 31 | 1 | 1.23 | 3.68 | 0.33 | 0.00 | 3.2 | 9.7 | 1.36 | .259 | 1.23 | 8.59 | |
| 6 |  | J. Flaherty | 5 | 1.00 | 7 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 9.0 | 8 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 36 | 1 | 9.00 | 1.00 | 9.00 | 0.00 | 25.0 | 2.8 | 1.00 | .333 | 1.00 | 8.00 | |
| 7 | | M. Garza | 5 | 0.56 | 6 | 1 | 1 | .500 | 0 | 8 | 0 | 0 | 1 | 16.0 | 15 | 1 | 1 | 0 | 4 | 0 | 4 | 2 | 66 | 0 | 4.50 | 2.25 | 2.00 | 0.00 | 12.1 | 6.1 | 1.19 | .278 | 0.56 | 8.44 |
| 8 | | J. Musgrove | 4 | 1.05 | 26 | 3 | 0 | 1.000 | 0 | 43 | 0 | 0 | 2 | 42.2 | 23 | 5 | 5 | 2 | 6 | 3 | 7 | 1 | 157 | 2 | 9.07 | 1.27 | 7.17 | 0.42 | 27.4 | 3.8 | 0.68 | .204 | 1.05 | 4.85 |
| 9 |  | M. Boyd | 4 | 1.71 | 14 | 2 | 0 | 1.000 | 0 | 18 | 0 | 0 | 0 | 21.0 | 9 | 4 | 4 | 0 | 14 | 1 | 2 | 3 | 82 | 0 | 7.71 | 6.00 | 1.29 | 0.00 | 22.0 | 17.1 | 1.10 | .184 | 1.71 | 3.86 |
| 10 |  | C. Kershaw | 4 | 0.00 | 4 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 5.0 | 2 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 18 | 0 | 9.00 | 3.60 | 2.50 | 0.00 | 27.8 | 11.1 | 0.80 | .182 | 0.00 | 3.60 | |
| 11 | | O. Hernandez | 4 | 0.54 | 8 | 1 | 0 | 1.000 | 0 | 15 | 0 | 0 | 2 | 16.2 | 7 | 1 | 1 | 1 | 8 | 1 | 2 | 1 | 67 | 0 | 8.10 | 4.32 | 1.88 | 0.54 | 22.4 | 11.9 | 0.90 | .143 | 0.54 | 3.78 |
| 12 | | K. Millwood | 4 | 1.88 | 8 | 2 | 0 | 1.000 | 0 | 12 | 0 | 0 | 0 | 14.1 | 13 | 3 | 3 | 0 | 6 | 0 | 3 | 0 | 63 | 0 | 7.53 | 3.77 | 2.00 | 0.00 | 19.0 | 9.5 | 1.33 | .289 | 1.88 | 8.16 |
| 13 | | P. Niekro | 4 | 0.96 | 6 | 3 | 0 | 1.000 | 0 | 8 | 0 | 0 | 1 | 9.1 | 5 | 1 | 1 | 0 | 7 | 0 | 4 | 0 | 39 | 0 | 7.71 | 6.75 | 1.14 | 0.00 | 20.5 | 17.9 | 1.29 | .208 | 0.96 | 4.82 |
| 14 | | R. Rhoden | 4 | 0.75 | 6 | 0 | 0 | 0 | 8 | 0 | 0 | 1 | 12.0 | 6 | 1 | 1 | 1 | 3 | 0 | 4 | 0 | 43 | 0 | 6.00 | 2.25 | 2.67 | 0.75 | 18.6 | 7.0 | 0.75 | .161 | 0.75 | 4.50 | |
| 15 | | M. Burrows | 3 | 1.98 | 6 | 2 | 0 | 1.000 | 0 | 8 | 0 | 0 | 0 | 13.2 | 12 | 3 | 4 | 2 | 5 | 1 | 1 | 0 | 56 | 0 | 5.27 | 3.29 | 1.60 | 1.32 | 14.3 | 8.9 | 1.24 | .250 | 2.63 | 7.90 |
| 16 | | E. Sabrowski | 3 | 1.99 | 101 | 5 | 3 | .625 | 0 | 137 | 0 | 0 | 2 | 90.1 | 46 | 20 | 25 | 5 | 56 | 5 | 12 | 2 | 371 | 6 | 13.65 | 5.58 | 2.45 | 0.50 | 36.9 | 15.1 | 1.13 | .244 | 2.49 | 4.58 |
| 17 | | J. Espada | 3 | 0.00 | 3 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 5.0 | 3 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 18 | 0 | 10.80 | 3.60 | 3.00 | 0.00 | 33.3 | 11.1 | 1.00 | .300 | 0.00 | 5.40 | |
| 18 | | A. Saalfrank | 3 | 1.79 | 40 | 2 | 1 | .667 | 0 | 25 | 0 | 0 | 3 | 40.1 | 28 | 8 | 11 | 1 | 18 | 0 | 11 | 3 | 162 | 3 | 5.58 | 4.02 | 1.39 | 0.22 | 15.4 | 11.1 | 1.14 | .229 | 2.45 | 6.25 |
| 19 | | E. Sheehan | 3 | 1.38 | 6 | 1 | 1 | .500 | 0 | 32 | 0 | 0 | 1 | 26.0 | 8 | 4 | 7 | 2 | 11 | 0 | 1 | 0 | 96 | 0 | 11.08 | 3.81 | 2.91 | 0.69 | 33.3 | 11.5 | 0.73 | .118 | 2.42 | 2.77 |
| 20 |  | H. Brown | 3 | 0.55 | 8 | 1 | 0 | 1.000 | 0 | 19 | 0 | 0 | 0 | 16.1 | 13 | 1 | 1 | 1 | 6 | 0 | 1 | 0 | 68 | 0 | 10.47 | 3.31 | 3.17 | 0.55 | 27.9 | 8.8 | 1.16 | .286 | 0.55 | 7.16 |
| 21 | | J. Holloway | 3 | 1.00 | 11 | 2 | 1 | .667 | 0 | 26 | 0 | 0 | 0 | 27.0 | 14 | 3 | 4 | 0 | 12 | 0 | 2 | 0 | 108 | 1 | 8.67 | 4.00 | 2.17 | 0.00 | 24.1 | 11.1 | 0.96 | .200 | 1.33 | 4.67 |
| 22 | | Z. Eflin | 3 | 1.13 | 12 | 0 | 0 | 0 | 16 | 0 | 0 | 1 | 16.0 | 8 | 2 | 3 | 1 | 4 | 2 | 5 | 0 | 59 | 0 | 9.00 | 2.25 | 4.00 | 0.56 | 27.1 | 6.8 | 0.75 | .194 | 1.69 | 4.50 | |
| 23 | | D. Robertson | 3 | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 10 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.67 | .200 | 0.00 | 6.00 | ||
| 24 |  | L. Severino | 3 | 1.44 | 16 | 4 | 1 | .800 | 0 | 35 | 0 | 0 | 0 | 31.1 | 15 | 5 | 6 | 1 | 12 | 1 | 4 | 0 | 120 | 1 | 10.05 | 3.45 | 2.92 | 0.29 | 29.2 | 10.0 | 0.86 | .197 | 1.72 | 4.31 |
| 25 | | M. Gonzales | 3 | 1.59 | 11 | 2 | 0 | 1.000 | 0 | 18 | 0 | 0 | 1 | 22.2 | 18 | 4 | 4 | 2 | 9 | 0 | 3 | 1 | 93 | 1 | 7.15 | 3.57 | 2.00 | 0.79 | 19.4 | 9.7 | 1.19 | .250 | 1.59 | 7.15 |
StatMuse has game-level data for seasons going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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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 | |
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| NL Central | W | L | PCT | GB |
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 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
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| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
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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 |
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| AL Central | W | L | PCT | GB |
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 White Sox - w | 84 | 78 | .519 | 1.0 |
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 Astros - y | 81 | 81 | .500 | |
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