
Since 1990, Jake Arrieta has the lowest ERA for the Cubs with 30+ starts in a season, with an ERA of 1.77 in 2015.
| NAME | ERA | GS | SEASON | TM | G | W | L | W% | 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 | J. Arrieta | 1.77 | 33 | 2015 | 33 | 22 | 6 | .786 | 236 | 4 | 3 | 0 | 229.0 | 150 | 45 | 52 | 10 | 48 | 6 | 0 | 2 | 870 | 6 | 9.28 | 1.89 | 4.92 | 0.39 | 27.1 | 5.5 | 0.86 | .246 | 2.04 | 45 | 2.34 | 60 | 5.90 | 39 | ||
| 2 | K. Hendricks | 2.13 | 30 | 2016 | 31 | 16 | 8 | .667 | 170 | 2 | 1 | 0 | 190.0 | 142 | 45 | 53 | 15 | 44 | 8 | 0 | 3 | 745 | 5 | 8.05 | 2.08 | 3.86 | 0.71 | 22.8 | 5.9 | 0.98 | .250 | 2.51 | 51 | 3.20 | 78 | 6.73 | 19.6 | ||
| 3 | G. Maddux | 2.18 | 35 | 1992 | 35 | 20 | 11 | .645 | 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 | ||
| 4 | M. Prior | 2.43 | 30 | 2003 | 30 | 18 | 6 | .750 | 245 | 3 | 1 | 0 | 211.1 | 183 | 57 | 67 | 15 | 50 | 9 | 0 | 4 | 863 | 9 | 10.43 | 2.13 | 4.90 | 0.64 | 28.4 | 5.8 | 1.10 | .309 | 2.85 | 57 | 2.47 | 56 | 7.79 | 44.5 | ||
| 5 | J. Lester | 2.44 | 32 | 2016 | 32 | 19 | 5 | .792 | 197 | 2 | 0 | 0 | 202.2 | 154 | 55 | 57 | 21 | 52 | 6 | 0 | 0 | 796 | 4 | 8.75 | 2.31 | 3.79 | 0.93 | 24.7 | 6.5 | 1.02 | .256 | 2.53 | 59 | 3.40 | 82 | 6.84 | 16.3 | ||
| 6 | M. Morgan | 2.55 | 34 | 1992 | 34 | 16 | 8 | .667 | 123 | 6 | 1 | 0 | 240.0 | 203 | 68 | 80 | 14 | 79 | 3 | 0 | 10 | 966 | 11 | 4.61 | 2.96 | 1.56 | 0.53 | 12.7 | 8.2 | 1.18 | .253 | 3.00 | 71 | 3.53 | 98 | 7.61 | 2.4 | ||
| 7 | C. Zambrano | 2.75 | 31 | 2004 | 31 | 16 | 8 | .667 | 188 | 1 | 1 | 0 | 209.2 | 174 | 64 | 73 | 14 | 81 | 20 | 0 | 4 | 887 | 6 | 8.07 | 3.48 | 2.32 | 0.60 | 21.2 | 9.1 | 1.22 | .274 | 3.13 | 63 | 3.56 | 79 | 7.47 | 21.4 | ||
| 8 | R. Dempster | 2.96 | 33 | 2008 | 33 | 17 | 6 | .739 | 187 | 1 | 0 | 0 | 206.2 | 174 | 68 | 75 | 14 | 76 | 7 | 0 | 1 | 856 | 5 | 8.14 | 3.31 | 2.46 | 0.61 | 21.8 | 8.9 | 1.21 | .280 | 3.27 | 66 | 3.40 | 77 | 7.58 | 22.7 | ||
| 9 | S. Trachsel | 3.03 | 31 | 1996 | 31 | 13 | 9 | .591 | 132 | 3 | 2 | 0 | 205.0 | 181 | 69 | 82 | 30 | 62 | 8 | 0 | 3 | 845 | 5 | 5.80 | 2.72 | 2.13 | 1.32 | 15.6 | 7.3 | 1.19 | .246 | 3.60 | 71 | 4.80 | 111 | 7.95 | -10.4 | ||
| 10 | J. Steele | 3.06 | 30 | 2023 | 30 | 16 | 5 | .762 | 176 | 0 | 0 | 0 | 173.1 | 167 | 59 | 71 | 14 | 36 | 7 | 0 | 0 | 716 | 9 | 9.14 | 1.87 | 4.89 | 0.73 | 24.6 | 5.0 | 1.17 | .317 | 3.69 | 72 | 3.01 | 70 | 8.67 | 24.9 | ||
| 11 | J. Arrieta | 3.10 | 31 | 2016 | 31 | 18 | 8 | .692 | 190 | 1 | 1 | 0 | 197.1 | 138 | 68 | 72 | 16 | 76 | 6 | 0 | 1 | 795 | 16 | 8.67 | 3.47 | 2.50 | 0.73 | 23.9 | 9.6 | 1.08 | .241 | 3.28 | 75 | 3.51 | 85 | 6.29 | 13.4 | ||
| 12 | T. Wood | 3.10 | 32 | 2013 | 32 | 9 | 12 | .429 | 144 | 0 | 0 | 0 | 200.0 | 163 | 69 | 73 | 18 | 66 | 8 | 0 | 2 | 821 | 6 | 6.48 | 2.97 | 2.18 | 0.81 | 17.5 | 8.0 | 1.15 | .248 | 3.29 | 83 | 3.88 | 102 | 7.34 | -1.8 | ||
| 13 | C. Zambrano | 3.11 | 32 | 2003 | 32 | 13 | 11 | .542 | 168 | 3 | 1 | 0 | 214.0 | 188 | 74 | 88 | 9 | 94 | 10 | 0 | 12 | 907 | 6 | 7.07 | 3.95 | 1.79 | 0.38 | 18.5 | 10.4 | 1.32 | .286 | 3.70 | 73 | 3.46 | 79 | 7.91 | 21.7 | ||
| 14 | K. Wood | 3.20 | 32 | 2003 | 32 | 14 | 11 | .560 | 266 | 4 | 2 | 0 | 211.0 | 152 | 75 | 77 | 24 | 100 | 21 | 0 | 2 | 887 | 10 | 11.35 | 4.27 | 2.66 | 1.02 | 30.0 | 11.3 | 1.19 | .269 | 3.28 | 75 | 3.70 | 85 | 6.48 | 15.8 | ||
| 15 | M. Boyd | 3.21 | 31 | 2025 | 31 | 14 | 8 | .636 | 154 | 0 | 0 | 0 | 179.2 | 154 | 64 | 69 | 19 | 42 | 9 | 0 | 0 | 718 | 2 | 7.71 | 2.10 | 3.67 | 0.95 | 21.4 | 5.8 | 1.09 | .273 | 3.46 | 78 | 3.64 | 90 | 7.71 | 8.2 | ||
| 16 | C. Zambrano | 3.26 | 33 | 2005 | 33 | 14 | 6 | .700 | 202 | 2 | 0 | 0 | 223.1 | 170 | 81 | 88 | 21 | 86 | 8 | 0 | 3 | 909 | 7 | 8.14 | 3.47 | 2.35 | 0.85 | 22.2 | 9.5 | 1.15 | .252 | 3.55 | 75 | 3.69 | 85 | 6.85 | 15.9 | ||
| 17 | M. Garza | 3.32 | 31 | 2011 | 31 | 10 | 10 | .500 | 197 | 2 | 0 | 0 | 198.0 | 186 | 73 | 90 | 14 | 63 | 3 | 0 | 5 | 839 | 6 | 8.95 | 2.86 | 3.13 | 0.64 | 23.5 | 7.5 | 1.26 | .306 | 4.09 | 84 | 2.95 | 76 | 8.45 | 20.4 | ||
| 18 | J. Lester | 3.32 | 32 | 2018 | 32 | 18 | 6 | .750 | 149 | 0 | 0 | 0 | 181.2 | 174 | 67 | 75 | 24 | 64 | 6 | 0 | 1 | 761 | 4 | 7.38 | 3.17 | 2.33 | 1.19 | 19.6 | 8.4 | 1.31 | .290 | 3.72 | 83 | 4.39 | 109 | 8.62 | -7.6 | ||
| 19 | J. Lester | 3.34 | 32 | 2015 | 32 | 11 | 12 | .478 | 207 | 1 | 0 | 0 | 205.0 | 183 | 76 | 83 | 16 | 47 | 7 | 0 | 0 | 828 | 8 | 9.09 | 2.06 | 4.40 | 0.70 | 25.0 | 5.7 | 1.12 | .303 | 3.64 | 85 | 2.91 | 75 | 8.03 | 21.9 | ||
| 20 | G. Maddux | 3.35 | 37 | 1991 | 37 | 15 | 11 | .577 | 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 | ||
| 21 | C. Zambrano | 3.41 | 33 | 2006 | 33 | 16 | 7 | .696 | 210 | 0 | 0 | 0 | 214.0 | 162 | 81 | 91 | 20 | 115 | 9 | 0 | 4 | 917 | 9 | 8.83 | 4.84 | 1.83 | 0.84 | 22.9 | 12.5 | 1.29 | .252 | 3.83 | 73 | 4.13 | 89 | 6.81 | 11.5 | ||
| 22 | K. Hendricks | 3.44 | 33 | 2018 | 33 | 14 | 11 | .560 | 161 | 0 | 0 | 0 | 199.0 | 184 | 76 | 82 | 22 | 44 | 9 | 0 | 4 | 812 | 0 | 7.28 | 1.99 | 3.66 | 0.99 | 19.8 | 5.4 | 1.15 | .281 | 3.71 | 86 | 3.77 | 94 | 8.32 | 5.4 | ||
| 23 | G. Maddux | 3.46 | 35 | 1990 | 35 | 15 | 15 | .500 | 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 | ||
| 24 | K. Hendricks | 3.46 | 30 | 2019 | 30 | 11 | 10 | .524 | 150 | 1 | 1 | 0 | 177.0 | 168 | 68 | 78 | 19 | 32 | 9 | 0 | 1 | 730 | 1 | 7.63 | 1.63 | 4.69 | 0.97 | 20.5 | 4.4 | 1.13 | .287 | 3.97 | 78 | 3.60 | 81 | 8.54 | 16.2 | ||
| 25 | F. Castillo | 3.46 | 33 | 1992 | 33 | 10 | 11 | .476 | 135 | 0 | 0 | 0 | 205.1 | 179 | 79 | 91 | 19 | 63 | 6 | 0 | 6 | 856 | 11 | 5.92 | 2.76 | 2.14 | 0.83 | 15.8 | 7.4 | 1.18 | .253 | 3.99 | 96 | 3.67 | 102 | 7.85 | -1 | ||
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
94 | 68 | .580 | ||
88 | 74 | .543 | 6.0 | |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
103 | 59 | .636 | ||
89 | 73 | .549 | 14.0 | |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
100 | 62 | .617 | ||
91 | 71 | .562 | 9.0 | |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
| AL East | W | L | PCT | GB |
|---|---|---|---|---|
98 | 64 | .605 | ||
93 | 68 | .578 | 4.5 | |
87 | 75 | .537 | 11.0 | |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
85 | 77 | .525 | ||
84 | 78 | .519 | 1.0 | |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
81 | 81 | .500 | ||
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |