| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 11 | 5 | 0 | 0 | 148.0 | 113 | 28 | 148 | 50 | 3.06 | 0.949 | 61.6 |
| 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 |
| 3/09/26 | Bryan Woo has ‘really good outing’ for Mariners in spring training loss. Bryan Woo struck out the first four batters he faced in Monday's Cactus League loss to the Diamondbacks. "That was my brand of baseball right there," the M's pitcher said. Source: https://www.seattletimes.com/sports/mariners/bryan... |
| 3/03/26 | Bryan Woo sharp again as Mariners fall to Angels in spring training game. Bryan Woo looked sharp again, striking out four over 2 1/3 innings. Here's what he said about his outing for the Mariners on Tuesday. Source: https://www.seattletimes.com/sports/mariners/bryan... |
| 2/25/26 | Bryan Woo gets first start of spring for Mariners in tie with Royals. Bryan Woo made his first start of the spring as the Mariners and Royals finished Wednesday's game with an 8-8 tie. Source: https://www.seattletimes.com/sports/mariners/bryan... |
| 2/13/26 | After frustrating finish last season, Mariners ace Bryan Woo brings new focus to 2026. Bryan Woo was honored with an invitation to compete for USA in the World Baseball Classic. He turned it down to “be smart” about his health and goals. Source: https://www.seattletimes.com/sports/mariners/after... |
| 11/25/25 | Mariners starter pitcher Bryan Woo among top beneficiaries of pre-arbitration bonus pool. The right-hander will get $1,540,676 as part of a $50 million annual pool distributed to 101 players. Source: https://www.seattletimes.com/sports/base1126/?utm_... |
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