| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2025 proj | 9 | 7 | 0 | 0 | 138.0 | 121 | 30 | 129 | 56 | 3.65 | 1.094 | 39.8 |
| 2025 | 15 | 7 | 0 | 0 | 186.7 | 137 | 36 | 198 | 61 | 2.94 | 0.927 | 101.8 |
| 2024 | 9 | 3 | 0 | 0 | 121.3 | 96 | 13 | 101 | 39 | 2.89 | 0.898 | 62.8 |
| 2023 | 4 | 5 | 0 | 0 | 87.7 | 75 | 31 | 93 | 41 | 4.21 | 1.209 | 17.8 |
| Date | News |
| 10/17/25 | ALCS: Mariners’ Bryan Woo ‘felt great’ in return from injury. After being sidelined nearly a month by a pectoral strain, Bryan Woo made his return, throwing two innings of relief in the Mariners’ 6-2 ALCS win over Toronto. Source: https://www.seattletimes.com/sports/mariners/alcs-... |
| 10/15/25 | ALCS: Mariners ace Bryan Woo could end up an option out of the bullpen. The Mariners haven't formally set their pitching plans beyond Game 4 but there's a chance Bryan Woo could come out of the bullpen at some point during the ALCS. Source: https://www.seattletimes.com/sports/mariners/alcs-... |
| 10/15/25 | Mariners’ Bryan Woo eyes return in ALCS against Blue Jays. After Bryan Woo threw live batting practice Monday, a start Friday seems probable, assuming the Blue Jays can win one of the next two and force an ALCS Game 5. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 10/13/25 | ALCS: Here’s the Mariners’ plan for Bryan Woo vs. Blue Jays. Bryan Woo threw a live bullpen Monday in Toronto and was as up-beat as he has been in weeks. Here's when the Mariners are targeting his return for the playoffs. Source: https://www.seattletimes.com/sports/mariners/alcs-... |
| 10/12/25 | ALCS: Bryan Woo added to Mariners roster vs. Blue Jays. Mariners ace Bryan Woo hasn’t pitched in a game since Sept. 19 in Houston due to a pectoral strain. Source: https://www.seattletimes.com/sports/mariners/alcs-... |
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