David Peterson is 4-1 with an ERA of 4.06 and 32 strikeouts in 9 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 |  | D. Peterson | 2026 | 9 | 4 | 1 | .800 | 8 | 4.06 | 32 | 0 | 0 | 0 | 44.1 | 43 | 20 | 22 | 5 | 17 | 0 | 0 | 0 | 188 | 0 | 6.50 | 3.45 | 1.88 | 1.02 | 17.0 | 9.0 | 1.35 | .284 | 4.47 | 99 | 4.25 | 103 | 8.73 | -0.7 |
CHC| NAME | DATE | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | D. Peterson | 8/17/2026 | vs | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | |||
| 2 | | D. Peterson | 8/12/2026 | @ | W | 1 | 5.40 | 6 | 0 | 0 | 0 | 5.0 | 9 | 3 | 4 | 0 | 3 | 0 | 0 | 0 | 27 | 0 | ||
| 3 | | D. Peterson | 8/6/2026 | vs | 1 | 1.80 | 3 | 0 | 0 | 0 | 5.0 | 7 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 23 | 0 | |||
| 4 | | D. Peterson | 8/1/2026 | vs | 1 | 1.42 | 8 | 0 | 0 | 0 | 6.1 | 5 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 25 | 0 | |||
| 5 | | D. Peterson | 7/27/2026 | @ | W | 1 | 3.18 | 3 | 0 | 0 | 0 | 5.2 | 3 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 22 | 0 | ||
| 6 | | D. Peterson | 7/21/2026 | vs | W | 1 | 0.00 | 4 | 0 | 0 | 0 | 6.2 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 24 | 0 | ||
| 7 | | D. Peterson | 7/9/2026 | @ | 1 | 1.80 | 2 | 0 | 0 | 0 | 5.0 | 2 | 1 | 1 | 1 | 4 | 0 | 0 | 0 | 20 | 0 | |||
| 8 | | D. Peterson | 7/3/2026 | vs | L | 1 | 24.55 | 3 | 0 | 0 | 0 | 3.2 | 9 | 10 | 10 | 1 | 3 | 0 | 0 | 0 | 23 | 0 | ||
| 9 | | D. Peterson | 6/27/2026 | @ | W | 1 | 3.18 | 2 | 0 | 0 | 0 | 5.2 | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 20 | 0 | ||
| 10 |  | D. Peterson | 6/21/2026 | @ | L | 1 | 9.00 | 5 | 0 | 0 | 0 | 4.0 | 6 | 4 | 5 | 1 | 2 | 0 | 0 | 0 | 20 | 0 | ||
| 11 | | D. Peterson | 6/15/2026 | @ | 0 | 9.00 | 1 | 0 | 0 | 0 | 3.0 | 2 | 3 | 3 | 1 | 2 | 0 | 1 | 0 | 13 | 0 | |||
| 12 | | D. Peterson | 6/10/2026 | vs | 0 | 14.73 | 1 | 0 | 0 | 0 | 3.2 | 7 | 6 | 6 | 2 | 2 | 0 | 0 | 0 | 20 | 1 | |||
| 13 | | D. Peterson | 5/31/2026 | vs | 0 | 0.00 | 3 | 0 | 0 | 1 | 4.0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 15 | 0 | |||
| 14 | | D. Peterson | 5/26/2026 | vs | L | 1 | 10.80 | 4 | 0 | 0 | 0 | 5.0 | 11 | 6 | 6 | 0 | 3 | 0 | 0 | 0 | 26 | 0 | ||
| 15 | | D. Peterson | 5/21/2026 | @ | W | 1 | 1.80 | 3 | 0 | 0 | 0 | 5.0 | 4 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 22 | 0 | ||
| 16 | | D. Peterson | 5/16/2026 | vs | W | 0 | 4.50 | 8 | 0 | 0 | 0 | 4.0 | 6 | 2 | 2 | 0 | 3 | 1 | 0 | 0 | 22 | 0 | ||
| 17 | | D. Peterson | 5/10/2026 | @ | 0 | 0.00 | 3 | 0 | 0 | 0 | 5.0 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 22 | 1 | |||
| 18 | | D. Peterson | 5/4/2026 | @ | W | 0 | 4.50 | 6 | 0 | 0 | 0 | 4.0 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | ||
| 19 | | D. Peterson | 4/29/2026 | vs | L | 1 | 17.18 | 5 | 0 | 0 | 0 | 3.2 | 5 | 7 | 7 | 0 | 3 | 0 | 0 | 0 | 19 | 0 | ||
| 20 | | D. Peterson | 4/23/2026 | vs | 0 | 2.70 | 2 | 0 | 0 | 0 | 3.1 | 4 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 15 | 0 | |||
| 21 | | D. Peterson | 4/19/2026 | @ | 0 | 0.00 | 1 | 0 | 0 | 0 | 3.2 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 13 | 0 | |||
| 22 | | D. Peterson | 4/13/2026 | @ | L | 1 | 7.20 | 7 | 0 | 0 | 0 | 5.0 | 5 | 4 | 4 | 1 | 4 | 1 | 0 | 0 | 25 | 0 | ||
| 23 | | D. Peterson | 4/8/2026 | vs | L | 1 | 9.00 | 6 | 0 | 0 | 0 | 5.0 | 6 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 23 | 0 | ||
| 24 | | D. Peterson | 4/2/2026 | @ | L | 1 | 10.38 | 5 | 0 | 0 | 0 | 4.1 | 9 | 5 | 6 | 0 | 2 | 0 | 0 | 0 | 24 | 1 | ||
| 25 | | D. Peterson | 3/28/2026 | vs | 1 | 0.00 | 3 | 0 | 0 | 0 | 5.1 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 25 | 0 | |||
| Total | 8 | 4.06 | 32 | 0 | 0 | 0 | 44.1 | 43 | 20 | 22 | 5 | 17 | 0 | 0 | 0 | 188 | 0 |
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|---|---|---|---|---|
74 | 52 | .587 | ||
69 | 58 | .543 | 5.5 | |
64 | 63 | .504 | 10.5 | |
60 | 66 | .476 | 14.0 | |
57 | 70 | .449 | 17.5 | |
| NL Central | W | L | PCT | GB |
77 | 48 | .616 | ||
73 | 53 | .579 | 4.5 | |
65 | 62 | .512 | 13.0 | |
62 | 66 | .484 | 16.5 | |
60 | 66 | .476 | 17.5 | |
| NL West | W | L | PCT | GB |
75 | 51 | .595 | ||
68 | 59 | .535 | 7.5 | |
66 | 61 | .520 | 9.5 | |
51 | 74 | .408 | 23.5 | |
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|---|---|---|---|---|
75 | 50 | .600 | ||
70 | 55 | .560 | 5.0 | |
68 | 58 | .540 | 7.5 | |
62 | 65 | .488 | 14.0 | |
61 | 65 | .484 | 14.5 | |
| AL Central | W | L | PCT | GB |
65 | 59 | .524 | ||
62 | 65 | .488 | 4.5 | |
61 | 65 | .484 | 5.0 | |
61 | 65 | .484 | 5.0 | |
53 | 74 | .417 | 13.5 | |
| AL West | W | L | PCT | GB |
63 | 62 | .504 | ||
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49 | 76 | .392 | 14.0 | |
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