| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 13 | 9 | 0 | 0 | 187.0 | 156 | 40 | 189 | 71 | 3.42 | 1.048 | 64.2 |
| 2026 | 7 | 6 | 0 | 0 | 110.3 | 98 | 22 | 109 | 51 | 4.16 | 1.088 | 44.9 |
| 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 |
| Date | News |
| 7/08/26 | Could Bryan Woo pitch out of the bullpen for Mariners this weekend?. Bryan Woo won't get another start until after the All-Star break, but there is a chance he might pitch out of the bullpen on the current road trip. Source: https://www.seattletimes.com/sports/mariners/could... |
| 6/30/26 | Angels vs. Mariners Tuesday MLB parlay: Bryan Woo's home and road splits for Seattle continue to astound. Bryan Woo is home for Seattle on Tuesday, and that has been a very good thing lately Source: https://www.cbssports.com/betting/news/angels-vs-m... |
| 6/24/26 | Pirates pummel Mariners’ Bryan Woo as road struggles resurface. Bryan Woo's season-long road struggles were back in the spotlight Wednesday during an 11-1 trouncing by the Pirates. Source: https://www.seattletimes.com/sports/mariners/pirat... |
| 6/18/26 | Orioles vs. Mariners Thursday MLB matinee picks: Bryan Woo is a startlingly better pitcher in Seattle. The Mariners' Bryan Woo has been unhittable at home as he faces the Orioles on Thursday Source: https://www.cbssports.com/betting/news/orioles-vs-... |
| 6/18/26 | Orioles vs. Mariners Thursday MLB matinee picks: Bryan Woo is a startlingly better pitcher in Seattle. The Mariners' Bryan Woo has been unhittable at home as he faces the Orioles on Thursday Source: https://www.cbssports.com/betting/news/orioles-vs-... |
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