Greg Maddux had a 133-112 record with an ERA of 3.61 and 1,305 strikeouts in 302 appearances for the Cubs 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 |  | G. Maddux | 1986 |  CHC | 6 | 2 | 4 | .333 | 5 | 5.52 | 20 | 1 | 0 | 0 | 31.0 | 44 | 19 | 20 | 3 | 11 | 1 | 1 | 2 | 144 | 2 | 5.81 | 3.19 | 1.82 | 0.87 | 13.9 | 7.6 | 1.77 | .376 | 5.81 | 139 | 3.89 | 98 | 12.77 | 0.3 |
| 2 | | G. Maddux | 1987 | CHC | 30 | 6 | 14 | .300 | 27 | 5.61 | 101 | 1 | 1 | 0 | 155.2 | 181 | 97 | 111 | 17 | 74 | 4 | 2 | 13 | 701 | 4 | 5.84 | 4.28 | 1.36 | 0.98 | 14.4 | 10.6 | 1.64 | .325 | 6.42 | 128 | 4.48 | 105 | 10.46 | -2.9 |
| 3 | | G. Maddux | 1988 | CHC | 34 | 18 | 8 | .692 | 34 | 3.18 | 140 | 9 | 3 | 0 | 249.0 | 230 | 88 | 97 | 13 | 81 | 9 | 0 | 16 | 1,047 | 3 | 5.06 | 2.93 | 1.73 | 0.47 | 13.4 | 7.7 | 1.25 | .270 | 3.51 | 87 | 3.40 | 94 | 8.31 | 6.1 |
| 4 | | G. Maddux | 1989 | CHC | 35 | 19 | 12 | .613 | 35 | 2.95 | 135 | 7 | 1 | 0 | 238.1 | 222 | 78 | 90 | 13 | 82 | 6 | 0 | 13 | 1,002 | 5 | 5.10 | 3.10 | 1.65 | 0.49 | 13.5 | 8.2 | 1.28 | .273 | 3.40 | 80 | 3.44 | 93 | 8.38 | 7.2 |
| 5 | | G. Maddux | 1990 | CHC | 35 | 15 | 15 | .500 | 35 | 3.46 | 144 | 8 | 2 | 0 | 237.0 | 242 | 91 | 116 | 11 | 71 | 4 | 0 | 10 | 1,011 | 3 | 5.47 | 2.70 | 2.03 | 0.42 | 14.2 | 7.0 | 1.32 | .296 | 4.41 | 87 | 3.14 | 81 | 9.19 | 19 |
| 6 | | G. Maddux | 1991 | CHC | 37 | 15 | 11 | .577 | 37 | 3.35 | 198 | 7 | 2 | 0 | 263.0 | 232 | 98 | 113 | 18 | 66 | 6 | 0 | 9 | 1,070 | 6 | 6.78 | 2.26 | 3.00 | 0.62 | 18.5 | 6.2 | 1.13 | .274 | 3.87 | 87 | 3.06 | 79 | 7.94 | 23.1 |
| 7 | | G. Maddux | 1992 | CHC | 35 | 20 | 11 | .645 | 35 | 2.18 | 199 | 9 | 4 | 0 | 268.0 | 201 | 65 | 68 | 7 | 70 | 14 | 0 | 7 | 1,061 | 5 | 6.68 | 2.35 | 2.84 | 0.24 | 18.8 | 6.6 | 1.01 | .252 | 2.28 | 61 | 2.57 | 71 | 6.75 | 30.5 |
| 8 | | G. Maddux | 2004 | CHC | 33 | 16 | 11 | .593 | 33 | 4.02 | 151 | 2 | 1 | 0 | 212.2 | 218 | 95 | 103 | 35 | 33 | 9 | 0 | 4 | 872 | 2 | 6.39 | 1.40 | 4.58 | 1.48 | 17.3 | 3.8 | 1.18 | .284 | 4.36 | 93 | 4.35 | 97 | 9.23 | 3.3 |
| 9 | | G. Maddux | 2005 | CHC | 35 | 13 | 15 | .464 | 35 | 4.24 | 136 | 3 | 0 | 0 | 225.0 | 239 | 106 | 112 | 29 | 36 | 7 | 0 | 4 | 936 | 8 | 5.44 | 1.44 | 3.78 | 1.16 | 14.5 | 3.8 | 1.22 | .288 | 4.48 | 98 | 4.05 | 93 | 9.56 | 7.1 |
| 10 | | G. Maddux | 2006 | CHC | 22 | 9 | 11 | .450 | 22 | 4.69 | 81 | 0 | 0 | 0 | 136.1 | 153 | 71 | 78 | 14 | 23 | 0 | 0 | 3 | 572 | 0 | 5.35 | 1.52 | 3.52 | 0.92 | 14.2 | 4.0 | 1.29 | .306 | 5.15 | 100 | 3.79 | 82 | 10.10 | 12.3 |
| Total | 302 | 133 | 112 | .543 | 298 | 3.61 | 1,305 | 47 | 14 | 0 | 2016.0 | 1,962 | 808 | 908 | 160 | 547 | 60 | 3 | 81 | 8,416 | 38 | 5.83 | 2.44 | 2.39 | 0.71 | 15.5 | 6.5 | 1.24 | .284 | 4.05 | 89 | 3.51 | 88 | 8.76 | 106 |
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