Aroldis Chapman is 19-20 with an ERA of 2.17, 546 strikeouts and 146 saves in 324 appearances for the Reds in his career.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | 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 | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | A. Chapman | 2010 |  CIN | 15 | 2 | 2 | .500 | 0 | 2.03 | 19 | 0 | 0 | 0 | 13.1 | 9 | 3 | 4 | 0 | 5 | 0 | 3 | 0 | 51 | 2 | 12.83 | 3.38 | 3.80 | 0.00 | 37.3 | 9.8 | 1.05 | .333 | 2.70 | 49 | 1.35 | 33 | 6.08 | 4 |
| 2 | | A. Chapman | 2011 | CIN | 54 | 4 | 1 | .800 | 0 | 3.60 | 71 | 0 | 0 | 1 | 50.0 | 24 | 20 | 21 | 2 | 41 | 2 | 13 | 0 | 207 | 4 | 12.78 | 7.38 | 1.73 | 0.36 | 34.3 | 19.8 | 1.30 | .242 | 3.78 | 94 | 3.28 | 83 | 4.32 | 3.7 |
| 3 | | A. Chapman | 2012 | CIN | 68 | 5 | 5 | .500 | 0 | 1.51 | 122 | 0 | 0 | 38 | 71.2 | 35 | 12 | 13 | 4 | 23 | 4 | 52 | 0 | 276 | 4 | 15.32 | 2.89 | 5.30 | 0.50 | 44.2 | 8.3 | 0.81 | .252 | 1.63 | 38 | 1.54 | 38 | 4.40 | 19.3 |
| 4 | | A. Chapman | 2013 | CIN | 68 | 4 | 5 | .444 | 0 | 2.54 | 112 | 0 | 0 | 38 | 63.2 | 37 | 18 | 18 | 7 | 29 | 3 | 55 | 0 | 258 | 6 | 15.83 | 4.10 | 3.86 | 0.99 | 43.4 | 11.2 | 1.04 | .280 | 2.54 | 67 | 2.46 | 64 | 5.23 | 9.8 |
| 5 | | A. Chapman | 2014 | CIN | 54 | 0 | 3 | .000 | 0 | 2.00 | 106 | 0 | 0 | 36 | 54.0 | 21 | 12 | 12 | 1 | 24 | 2 | 44 | 0 | 202 | 4 | 17.67 | 4.00 | 4.42 | 0.17 | 52.5 | 11.9 | 0.83 | .290 | 2.00 | 54 | 0.89 | 23 | 3.50 | 17 |
| 6 | | A. Chapman | 2015 | CIN | 65 | 4 | 4 | .500 | 0 | 1.63 | 116 | 0 | 0 | 33 | 66.1 | 43 | 12 | 13 | 3 | 33 | 5 | 54 | 1 | 278 | 7 | 15.74 | 4.48 | 3.52 | 0.41 | 41.7 | 11.9 | 1.15 | .331 | 1.76 | 41 | 1.94 | 49 | 5.83 | 14.6 |
| Total | 324 | 19 | 20 | .487 | 0 | 2.17 | 546 | 0 | 0 | 146 | 319.0 | 169 | 77 | 81 | 17 | 155 | 16 | 221 | 1 | 1,272 | 27 | 15.40 | 4.37 | 3.52 | 0.48 | 42.9 | 12.2 | 1.02 | .283 | 2.29 | 56 | 1.96 | 50 | 4.77 | 68.4 |
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