Since 2000, Aroldis Chapman has struck out the most batters by a relief pitcher, with 1,376 strikeouts.
| NAME | SO | G | W | L | W% | GS | ERA | 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 | 1,376 | 899 | 61 | 50 | .550 | 0 | 2.49 | 0 | 0 | 392 | 856.0 | 501 | 237 | 263 | 55 | 425 | 34 | 593 | 7 | 3,488 | 88 | 14.47 | 4.47 | 3.24 | 0.58 | 39.4 | 12.2 | 1.08 | .279 | 2.77 | 5.27 |
| 2 |  | C. Kimbrel | 1,312 | 882 | 56 | 50 | .528 | 0 | 2.66 | 0 | 0 | 440 | 853.2 | 519 | 252 | 281 | 79 | 359 | 42 | 671 | 12 | 3,440 | 74 | 13.83 | 3.78 | 3.65 | 0.83 | 38.1 | 10.4 | 1.03 | .267 | 2.96 | 5.47 |
| 3 |  | K. Jansen | 1,310 | 966 | 56 | 44 | .560 | 0 | 2.61 | 0 | 0 | 487 | 956.0 | 627 | 277 | 297 | 93 | 300 | 32 | 724 | 21 | 3,800 | 21 | 12.33 | 2.82 | 4.37 | 0.88 | 34.5 | 7.9 | 0.97 | .259 | 2.80 | 5.90 |
| 4 |  | D. Robertson | 1,175 | 880 | 68 | 46 | .596 | 0 | 2.93 | 0 | 0 | 179 | 893.1 | 674 | 291 | 315 | 81 | 364 | 25 | 358 | 38 | 3,687 | 57 | 11.84 | 3.67 | 3.23 | 0.82 | 31.9 | 9.9 | 1.16 | .290 | 3.17 | 6.79 |
| 5 | | F. Rodriguez | 1,142 | 948 | 52 | 53 | .495 | 0 | 2.86 | 0 | 0 | 437 | 976.0 | 738 | 310 | 336 | 98 | 389 | 17 | 677 | 42 | 4,011 | 68 | 10.53 | 3.59 | 2.94 | 0.90 | 28.5 | 9.7 | 1.15 | .271 | 3.10 | 6.81 |
| 6 | | O. Dotel | 948 | 719 | 49 | 40 | .551 | 0 | 3.30 | 0 | 0 | 109 | 753.2 | 571 | 276 | 302 | 83 | 307 | 31 | 304 | 35 | 3,143 | 39 | 11.32 | 3.67 | 3.09 | 0.99 | 30.2 | 9.8 | 1.16 | .275 | 3.61 | 6.82 |
| 7 | | F. Rodney | 943 | 951 | 48 | 71 | .403 | 0 | 3.80 | 0 | 0 | 327 | 933.0 | 817 | 394 | 433 | 73 | 464 | 52 | 590 | 38 | 4,064 | 65 | 9.10 | 4.48 | 2.03 | 0.70 | 23.2 | 11.4 | 1.37 | .294 | 4.18 | 7.88 |
| 8 | | T. Clippard | 921 | 793 | 52 | 46 | .531 | 0 | 2.99 | 0 | 0 | 74 | 825.2 | 576 | 274 | 295 | 101 | 319 | 31 | 212 | 17 | 3,365 | 45 | 10.04 | 3.48 | 2.89 | 1.10 | 27.4 | 9.5 | 1.08 | .238 | 3.22 | 6.28 |
| 9 | | J. Nathan | 871 | 753 | 52 | 28 | .650 | 0 | 2.47 | 0 | 0 | 376 | 752.0 | 530 | 206 | 217 | 57 | 243 | 18 | 585 | 27 | 3,006 | 41 | 10.42 | 2.91 | 3.58 | 0.68 | 29.0 | 8.1 | 1.03 | .260 | 2.60 | 6.34 |
| 10 | | K. Farnsworth | 870 | 861 | 37 | 54 | .407 | 0 | 4.01 | 0 | 0 | 57 | 831.1 | 768 | 370 | 404 | 98 | 344 | 23 | 292 | 36 | 3,566 | 36 | 9.42 | 3.72 | 2.53 | 1.06 | 24.4 | 9.6 | 1.34 | .300 | 4.37 | 8.31 |
| 11 |  | J. Hader | 862 | 492 | 37 | 32 | .536 | 0 | 2.58 | 0 | 0 | 240 | 534.1 | 292 | 153 | 167 | 66 | 208 | 24 | 340 | 6 | 2,105 | 19 | 14.52 | 3.50 | 4.14 | 1.11 | 41.0 | 9.9 | 0.94 | .239 | 2.81 | 4.92 |
| 12 | | A. Ottavino | 853 | 724 | 41 | 41 | .500 | 0 | 3.40 | 0 | 0 | 46 | 730.1 | 609 | 276 | 296 | 68 | 322 | 50 | 168 | 31 | 3,098 | 65 | 10.51 | 3.97 | 2.65 | 0.84 | 27.5 | 10.4 | 1.27 | .300 | 3.65 | 7.50 |
| 13 |  | E. DÃaz | 849 | 527 | 29 | 36 | .446 | 0 | 2.91 | 0 | 0 | 257 | 525.1 | 365 | 170 | 183 | 55 | 187 | 41 | 401 | 10 | 2,138 | 34 | 14.55 | 3.20 | 4.54 | 0.94 | 39.7 | 8.7 | 1.05 | .308 | 3.14 | 6.25 |
| 14 |  | M. Rivera | 836 | 849 | 56 | 47 | .544 | 0 | 2.05 | 0 | 0 | 523 | 907.0 | 698 | 207 | 227 | 49 | 167 | 38 | 768 | 28 | 3,562 | 8 | 8.30 | 1.66 | 5.01 | 0.49 | 23.5 | 4.7 | 0.95 | .263 | 2.25 | 6.93 |
| 15 | | J. Soria | 829 | 772 | 36 | 45 | .444 | 0 | 3.11 | 0 | 0 | 229 | 762.0 | 631 | 263 | 278 | 66 | 231 | 27 | 427 | 18 | 3,141 | 33 | 9.79 | 2.73 | 3.59 | 0.78 | 26.4 | 7.4 | 1.13 | .284 | 3.28 | 7.45 |
| 16 | | J. Benoit | 825 | 709 | 44 | 30 | .595 | 0 | 3.06 | 0 | 0 | 53 | 794.0 | 586 | 270 | 291 | 79 | 300 | 22 | 185 | 19 | 3,242 | 27 | 9.35 | 3.40 | 2.75 | 0.90 | 25.4 | 9.3 | 1.12 | .251 | 3.30 | 6.64 |
| 17 | | B. Wagner | 802 | 629 | 30 | 26 | .536 | 0 | 2.30 | 0 | 0 | 321 | 650.0 | 443 | 166 | 190 | 60 | 192 | 26 | 529 | 21 | 2,577 | 35 | 11.10 | 2.66 | 4.18 | 0.83 | 31.1 | 7.5 | 0.98 | .256 | 2.63 | 6.13 |
| 18 | | B. Lidge | 795 | 602 | 26 | 32 | .448 | 0 | 3.55 | 0 | 0 | 225 | 600.1 | 490 | 237 | 257 | 57 | 285 | 33 | 368 | 41 | 2,576 | 46 | 11.92 | 4.27 | 2.79 | 0.85 | 30.9 | 11.1 | 1.29 | .308 | 3.85 | 7.35 |
| 19 | | J. Papelbon | 793 | 686 | 41 | 36 | .532 | 0 | 2.45 | 0 | 0 | 368 | 709.2 | 557 | 193 | 221 | 55 | 175 | 32 | 585 | 17 | 2,867 | 13 | 10.06 | 2.22 | 4.53 | 0.70 | 27.7 | 6.1 | 1.03 | .277 | 2.80 | 7.06 |
| 20 | | S. Romo | 782 | 816 | 42 | 35 | .545 | 0 | 3.18 | 0 | 0 | 137 | 718.0 | 575 | 254 | 271 | 85 | 175 | 27 | 301 | 21 | 2,896 | 21 | 9.80 | 2.19 | 4.47 | 1.07 | 27.0 | 6.0 | 1.04 | .268 | 3.40 | 7.21 |
| 21 |  | R. Iglesias | 781 | 615 | 38 | 49 | .437 | 0 | 2.72 | 0 | 0 | 274 | 652.1 | 494 | 197 | 225 | 72 | 176 | 20 | 490 | 17 | 2,608 | 16 | 10.78 | 2.43 | 4.44 | 0.99 | 29.9 | 6.7 | 1.03 | .271 | 3.10 | 6.82 |
| 22 | | F. Cordero | 777 | 780 | 45 | 51 | .469 | 0 | 3.38 | 0 | 0 | 329 | 805.2 | 732 | 303 | 335 | 62 | 357 | 27 | 571 | 28 | 3,460 | 36 | 8.68 | 3.99 | 2.18 | 0.69 | 22.5 | 10.3 | 1.35 | .300 | 3.74 | 8.18 |
| 23 | | H. Neris | 775 | 643 | 46 | 43 | .517 | 0 | 3.47 | 0 | 0 | 107 | 627.1 | 509 | 242 | 272 | 83 | 243 | 36 | 274 | 16 | 2,632 | 38 | 11.12 | 3.49 | 3.19 | 1.19 | 29.4 | 9.2 | 1.20 | .285 | 3.90 | 7.30 |
| 24 | | J. Diekman | 764 | 705 | 27 | 34 | .443 | 0 | 3.91 | 0 | 0 | 19 | 602.1 | 483 | 262 | 312 | 53 | 358 | 47 | 141 | 21 | 2,662 | 44 | 11.42 | 5.35 | 2.13 | 0.79 | 28.7 | 13.4 | 1.40 | .299 | 4.66 | 7.22 |
| 25 | | J. Broxton | 758 | 694 | 43 | 38 | .531 | 0 | 3.41 | 0 | 0 | 118 | 676.0 | 580 | 256 | 285 | 51 | 268 | 20 | 293 | 34 | 2,836 | 21 | 10.09 | 3.57 | 2.83 | 0.68 | 26.7 | 9.4 | 1.25 | .304 | 3.79 | 7.72 |
StatMuse has game-level data for strikeouts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
62 | 45 | .579 | ||
57 | 52 | .523 | 6.0 | |
55 | 54 | .505 | 8.0 | |
55 | 54 | .505 | 8.0 | |
46 | 62 | .426 | 16.5 | |
| NL Central | W | L | PCT | GB |
67 | 41 | .620 | ||
61 | 46 | .570 | 5.5 | |
55 | 54 | .505 | 12.5 | |
53 | 54 | .495 | 13.5 | |
50 | 56 | .472 | 16.0 | |
| NL West | W | L | PCT | GB |
67 | 40 | .626 | ||
57 | 52 | .523 | 11.0 | |
55 | 53 | .509 | 12.5 | |
46 | 62 | .426 | 21.5 | |
42 | 67 | .385 | 26.0 |
Braves
Phillies
Marlins
Nationals
Mets
Dodgers
Diamondbacks
Padres
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
63 | 44 | .589 | ||
61 | 46 | .570 | 2.0 | |
55 | 51 | .519 | 7.5 | |
53 | 56 | .486 | 11.0 | |
50 | 59 | .459 | 14.0 | |
| AL Central | W | L | PCT | GB |
55 | 51 | .519 | ||
55 | 54 | .505 | 1.5 | |
54 | 54 | .500 | 2.0 | |
51 | 58 | .468 | 5.5 | |
45 | 63 | .417 | 11.0 | |
| AL West | W | L | PCT | GB |
55 | 53 | .509 | ||
54 | 55 | .495 | 1.5 | |
53 | 55 | .491 | 2.0 | |
45 | 62 | .421 | 9.5 | |
42 | 66 | .389 | 13.0 |
Rays
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