4 pitchers are tied for the best career record by an active Cubs pitcher versus the Guardians, with a record of 1-0. The first three are Shota Imanaga, Chris Flexen and Justin Steele.
| NAME | REC | W% | G | W | L | 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 | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | S. Imanaga | 1-0 | 1.000 | 2 | 1 | 0 | 2 | 5.23 | 7 | 0 | 0 | 0 | 10.1 | 11 | 6 | 10 | 5 | 1 | 1 | 0 | 0 | 43 | 0 | 6.10 | 0.87 | 7.00 | 4.35 | 16.3 | 2.3 | 1.16 | .207 | 8.71 | 9.58 |
| 2 |  | C. Flexen | 2-0 | 1.000 | 5 | 2 | 0 | 2 | 2.55 | 6 | 0 | 0 | 1 | 17.2 | 15 | 5 | 8 | 2 | 5 | 0 | 3 | 0 | 71 | 1 | 3.06 | 2.55 | 1.20 | 1.02 | 8.5 | 7.0 | 1.13 | .224 | 4.08 | 7.64 |
| 3 |  | J. Steele | 1-0 | 1.000 | 2 | 1 | 0 | 1 | 0.00 | 8 | 0 | 0 | 0 | 7.0 | 3 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 28 | 0 | 10.29 | 2.57 | 4.00 | 0.00 | 28.6 | 7.1 | 0.71 | .176 | 0.00 | 3.86 |
| 4 | | C. Rea | 1-0 | 1.000 | 2 | 1 | 0 | 1 | 0.00 | 6 | 0 | 0 | 0 | 9.0 | 3 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 33 | 0 | 6.00 | 0.00 | 0.00 | 18.2 | 0.0 | 0.33 | .120 | 0.00 | 3.00 | |
| 5 | | D. Pomeranz | 2-1 | .667 | 12 | 2 | 1 | 2 | 1.86 | 25 | 0 | 0 | 0 | 19.1 | 14 | 4 | 5 | 1 | 15 | 2 | 3 | 1 | 88 | 1 | 11.64 | 6.98 | 1.67 | 0.47 | 28.4 | 17.0 | 1.50 | .289 | 2.33 | 6.52 |
| 6 | | C. Thielbar | 3-2 | .600 | 43 | 3 | 2 | 0 | 1.96 | 36 | 0 | 0 | 1 | 36.2 | 27 | 8 | 9 | 1 | 18 | 0 | 8 | 2 | 153 | 1 | 8.84 | 4.42 | 2.00 | 0.25 | 23.5 | 11.8 | 1.23 | .265 | 2.21 | 6.63 |
| 7 | | R. Pressly | 1-1 | .500 | 44 | 1 | 1 | 0 | 3.56 | 41 | 0 | 0 | 8 | 48.0 | 50 | 19 | 21 | 6 | 18 | 1 | 18 | 0 | 207 | 8 | 7.69 | 3.38 | 2.28 | 1.13 | 19.8 | 8.7 | 1.42 | .312 | 3.94 | 9.38 |
| 8 | | M. Boyd | 5-7 | .417 | 18 | 5 | 7 | 16 | 3.95 | 80 | 0 | 0 | 0 | 95.2 | 85 | 42 | 42 | 13 | 34 | 4 | 1 | 3 | 400 | 4 | 7.53 | 3.20 | 2.35 | 1.22 | 20.0 | 8.5 | 1.24 | .268 | 3.95 | 8.00 |
| 9 | | B. Keller | 2-3 | .400 | 16 | 2 | 3 | 9 | 2.01 | 52 | 0 | 0 | 0 | 67.0 | 54 | 15 | 18 | 2 | 21 | 1 | 3 | 3 | 272 | 2 | 6.99 | 2.82 | 2.48 | 0.27 | 19.1 | 7.7 | 1.12 | .265 | 2.42 | 7.25 |
| 10 | | J. Taillon | 1-3 | .250 | 5 | 1 | 3 | 5 | 5.00 | 28 | 0 | 0 | 0 | 27.0 | 30 | 15 | 17 | 3 | 3 | 1 | 0 | 0 | 115 | 0 | 9.33 | 1.00 | 9.33 | 1.00 | 24.3 | 2.6 | 1.22 | .338 | 5.67 | 10.00 |
StatMuse has game-level data for records going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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