Lucas Giolito has a 2-1 record with an ERA of 4.35 and 29 strikeouts in 4 appearances versus the Mariners in his career.
| NAME | DATE | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | L. Giolito | 4/6/2019 |  CWS | vs |  SEA | L | 1 | 10.38 | 4 | 0 | 0 | 0 | 4.1 | 6 | 5 | 5 | 1 | 4 | 0 | 0 | 0 | 21 | 0 |
| 2 | | L. Giolito | 4/6/2021 | CWS | @ | SEA | W | 1 | 5.06 | 10 | 0 | 0 | 0 | 5.1 | 4 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 22 | 1 |
| 3 | | L. Giolito | 6/17/2023 | CWS | @ | SEA | 1 | 3.60 | 5 | 0 | 0 | 0 | 5.0 | 8 | 2 | 3 | 1 | 3 | 0 | 0 | 0 | 25 | 0 | |
| 4 | | L. Giolito | 6/16/2025 |  BOS | @ | SEA | W | 1 | 0.00 | 10 | 0 | 0 | 0 | 6.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 0 |
| Total | 4 | 4.35 | 29 | 0 | 0 | 0 | 20.2 | 21 | 10 | 11 | 2 | 9 | 0 | 0 | 0 | 89 | 1 |
Some of the information used here was obtained free of charge from Retrosheet.
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