Since 2016, Aroldis Chapman has the best ERA by a Cubs relief pitcher when pitching in >20 games, with an ERA of 1.01.
| NAME | 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 |  | A. Chapman | 1.01 | 28 | 1 | 1 | .500 | 0 | 46 | 0 | 0 | 16 | 26.2 | 12 | 3 | 4 | 0 | 10 | 0 | 23 | 0 | 102 | 6 | 15.52 | 3.38 | 4.60 | 0.00 | 45.1 | 9.8 | 0.83 | .261 | 1.35 | 4.05 |
| 2 |  | B. Morrow | 1.47 | 35 | 0 | 0 | 0 | 31 | 0 | 0 | 22 | 30.2 | 24 | 5 | 5 | 2 | 9 | 1 | 30 | 0 | 122 | 1 | 9.10 | 2.64 | 3.44 | 0.59 | 25.4 | 7.4 | 1.08 | .278 | 1.47 | 7.04 | |
| 3 | | J. Jeffress | 1.54 | 22 | 4 | 1 | .800 | 0 | 17 | 0 | 0 | 8 | 23.1 | 10 | 4 | 5 | 1 | 12 | 2 | 15 | 1 | 88 | 0 | 6.56 | 4.63 | 1.42 | 0.39 | 19.3 | 13.6 | 0.94 | .161 | 1.93 | 3.86 |
| 4 | | J. Chavez | 1.81 | 35 | 2 | 1 | .667 | 0 | 45 | 0 | 0 | 4 | 44.2 | 33 | 9 | 9 | 4 | 7 | 0 | 11 | 0 | 167 | 0 | 9.07 | 1.41 | 6.43 | 0.81 | 26.9 | 4.2 | 0.90 | .261 | 1.81 | 6.65 |
| 5 | | B. Wieck | 1.93 | 30 | 2 | 1 | .667 | 0 | 48 | 0 | 0 | 0 | 28.0 | 13 | 6 | 6 | 2 | 15 | 2 | 7 | 0 | 114 | 1 | 15.43 | 4.82 | 3.20 | 0.64 | 42.1 | 13.2 | 1.00 | .234 | 1.93 | 4.18 |
| 6 | | D. Pomeranz | 1.94 | 53 | 2 | 2 | .500 | 0 | 53 | 0 | 0 | 1 | 46.1 | 36 | 10 | 12 | 5 | 13 | 5 | 11 | 1 | 190 | 1 | 10.29 | 2.53 | 4.08 | 0.97 | 27.9 | 6.8 | 1.06 | .272 | 2.33 | 6.99 |
| 7 | | J. López | 2.03 | 24 | 1 | 1 | .500 | 0 | 31 | 0 | 0 | 2 | 26.2 | 21 | 6 | 6 | 3 | 8 | 0 | 8 | 0 | 106 | 0 | 10.46 | 2.70 | 3.88 | 1.01 | 29.2 | 7.5 | 1.09 | .281 | 2.03 | 7.09 |
| 8 | | B. Keller | 2.10 | 67 | 4 | 2 | .667 | 0 | 73 | 0 | 0 | 3 | 68.2 | 45 | 16 | 18 | 4 | 22 | 6 | 12 | 0 | 273 | 1 | 9.57 | 2.88 | 3.32 | 0.52 | 26.7 | 8.1 | 0.98 | .244 | 2.36 | 5.90 |
| 9 | | A. Chafin | 2.13 | 47 | 0 | 3 | .000 | 0 | 40 | 0 | 0 | 1 | 42.1 | 23 | 10 | 10 | 2 | 13 | 2 | 5 | 2 | 162 | 2 | 8.50 | 2.76 | 3.08 | 0.43 | 24.7 | 8.0 | 0.85 | .200 | 2.13 | 4.89 |
| 10 | | T. Miller | 2.19 | 50 | 5 | 1 | .833 | 0 | 42 | 0 | 0 | 1 | 53.1 | 32 | 13 | 14 | 5 | 10 | 4 | 10 | 0 | 200 | 0 | 7.09 | 1.69 | 4.20 | 0.84 | 21.0 | 5.0 | 0.79 | .194 | 2.36 | 5.40 |
| 11 | | D. Robertson | 2.23 | 36 | 3 | 0 | 1.000 | 0 | 51 | 0 | 0 | 14 | 40.1 | 23 | 10 | 10 | 4 | 19 | 3 | 22 | 0 | 165 | 2 | 11.38 | 4.24 | 2.68 | 0.89 | 30.9 | 11.5 | 1.04 | .216 | 2.23 | 5.13 |
| 12 |  | W. Davis | 2.30 | 59 | 4 | 2 | .667 | 0 | 79 | 0 | 0 | 32 | 58.2 | 39 | 15 | 16 | 6 | 28 | 3 | 56 | 1 | 242 | 7 | 12.12 | 4.30 | 2.82 | 0.92 | 32.6 | 11.6 | 1.14 | .262 | 2.45 | 5.98 |
| 13 | | S. Cishek | 2.55 | 150 | 8 | 9 | .471 | 0 | 135 | 0 | 0 | 11 | 134.1 | 93 | 38 | 41 | 12 | 57 | 16 | 33 | 5 | 555 | 6 | 9.04 | 3.82 | 2.37 | 0.80 | 24.3 | 10.3 | 1.12 | .242 | 2.75 | 6.23 |
| 14 | | M. Givens | 2.66 | 40 | 6 | 2 | .750 | 0 | 51 | 0 | 0 | 2 | 40.2 | 32 | 12 | 15 | 5 | 19 | 3 | 5 | 3 | 172 | 1 | 11.29 | 4.20 | 2.68 | 1.11 | 29.7 | 11.0 | 1.25 | .287 | 3.32 | 7.08 |
| 15 | | C. Thielbar | 2.70 | 78 | 5 | 6 | .455 | 0 | 67 | 0 | 0 | 3 | 66.2 | 44 | 20 | 21 | 7 | 18 | 0 | 8 | 2 | 258 | 1 | 9.05 | 2.43 | 3.72 | 0.95 | 26.0 | 7.0 | 0.93 | .223 | 2.84 | 5.94 |
| 16 | | K. Thompson | 2.71 | 81 | 11 | 5 | .688 | 0 | 145 | 0 | 0 | 5 | 132.2 | 86 | 40 | 44 | 14 | 71 | 5 | 23 | 1 | 553 | 6 | 9.84 | 4.82 | 2.04 | 0.95 | 26.2 | 12.8 | 1.18 | .226 | 2.98 | 5.83 |
| 17 | | A. Alzolay | 2.83 | 94 | 7 | 10 | .412 | 0 | 135 | 0 | 0 | 27 | 124.0 | 101 | 39 | 47 | 14 | 30 | 7 | 52 | 1 | 495 | 0 | 9.80 | 2.18 | 4.50 | 1.02 | 27.3 | 6.1 | 1.06 | .282 | 3.41 | 7.33 |
| 18 | | T. Wood | 2.95 | 77 | 4 | 0 | 1.000 | 0 | 47 | 0 | 0 | 0 | 61.0 | 45 | 20 | 24 | 8 | 24 | 1 | 16 | 2 | 252 | 0 | 6.93 | 3.54 | 1.96 | 1.18 | 18.7 | 9.5 | 1.13 | .215 | 3.54 | 6.64 |
| 19 | | T. Cahill | 2.97 | 49 | 3 | 4 | .429 | 0 | 63 | 0 | 0 | 0 | 60.2 | 47 | 20 | 22 | 7 | 33 | 5 | 16 | 3 | 267 | 3 | 9.35 | 4.90 | 1.91 | 1.04 | 23.6 | 12.4 | 1.32 | .252 | 3.26 | 6.97 |
| 20 | | S. Effross | 2.98 | 60 | 3 | 4 | .429 | 0 | 68 | 0 | 0 | 1 | 57.1 | 47 | 19 | 23 | 4 | 12 | 3 | 8 | 3 | 229 | 1 | 10.67 | 1.88 | 5.67 | 0.63 | 29.7 | 5.2 | 1.03 | .303 | 3.61 | 7.38 |
| 21 | | L. Little | 3.06 | 39 | 3 | 1 | .750 | 0 | 44 | 0 | 0 | 0 | 35.1 | 23 | 12 | 14 | 2 | 28 | 5 | 11 | 1 | 156 | 4 | 11.21 | 7.13 | 1.57 | 0.51 | 28.2 | 17.9 | 1.44 | .273 | 3.57 | 5.86 |
| 22 | | P. Strop | 3.07 | 235 | 16 | 12 | .571 | 0 | 234 | 0 | 0 | 23 | 211.0 | 145 | 72 | 77 | 18 | 84 | 17 | 63 | 6 | 865 | 21 | 9.98 | 3.58 | 2.79 | 0.77 | 27.1 | 9.7 | 1.09 | .248 | 3.28 | 6.18 |
| 23 | | C. Heuer | 3.14 | 25 | 3 | 3 | .500 | 0 | 17 | 0 | 0 | 2 | 28.2 | 20 | 10 | 12 | 2 | 13 | 1 | 9 | 3 | 115 | 3 | 5.34 | 4.08 | 1.31 | 0.63 | 14.8 | 11.3 | 1.15 | .220 | 3.77 | 6.28 |
| 24 | | D. Phelps | 3.18 | 24 | 2 | 1 | .667 | 0 | 18 | 0 | 0 | 1 | 17.0 | 17 | 6 | 7 | 2 | 10 | 0 | 3 | 0 | 76 | 2 | 9.53 | 5.29 | 1.80 | 1.06 | 23.7 | 13.2 | 1.59 | .326 | 3.71 | 9.00 |
| 25 |  | C. Kimbrel | 3.22 | 80 | 2 | 8 | .200 | 0 | 122 | 0 | 0 | 38 | 72.2 | 44 | 26 | 30 | 12 | 37 | 4 | 63 | 1 | 302 | 7 | 15.11 | 4.58 | 3.30 | 1.49 | 40.4 | 12.3 | 1.11 | .252 | 3.72 | 5.45 |
StatMuse has game-level data for games pitched 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 |
|---|---|---|---|---|
29 | 13 | .690 | ||
20 | 22 | .476 | 9.0 | |
20 | 22 | .476 | 9.0 | |
19 | 23 | .452 | 10.0 | |
16 | 25 | .390 | 12.5 | |
| NL Central | W | L | PCT | GB |
27 | 15 | .643 | ||
23 | 16 | .590 | 2.5 | |
24 | 17 | .585 | 2.5 | |
23 | 19 | .548 | 4.0 | |
22 | 20 | .524 | 5.0 | |
| NL West | W | L | PCT | GB |
24 | 17 | .585 | ||
24 | 18 | .571 | 0.5 | |
20 | 21 | .488 | 4.0 | |
18 | 24 | .429 | 6.5 | |
16 | 26 | .381 | 8.5 |
Phillies
Nationals
Marlins
Mets
Padres
Dodgers
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
28 | 13 | .683 | ||
27 | 16 | .628 | 2.0 | |
19 | 24 | .442 | 10.0 | |
18 | 24 | .429 | 10.5 | |
17 | 24 | .415 | 11.0 | |
| AL Central | W | L | PCT | GB |
23 | 21 | .523 | ||
20 | 21 | .488 | 1.5 | |
19 | 23 | .452 | 3.0 | |
19 | 23 | .452 | 3.0 | |
19 | 23 | .452 | 3.0 | |
| AL West | W | L | PCT | GB |
21 | 20 | .512 | ||
21 | 22 | .488 | 1.0 | |
20 | 22 | .476 | 1.5 | |
16 | 27 | .372 | 6.0 | |
16 | 27 | .372 | 6.0 |
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