Baseball · All Baseball players
Bryan Woo
MLB
About Bryan Woo
Bryan Joseph Woo (born January 30, 2000) is an American professional baseball pitcher for the Seattle Mariners of Major League Baseball (MLB). He made his MLB debut in 2023. In 2025, he was named to the All-Star Game and All-MLB second team. In 2026, he was named one of the 50 greatest Mariners players. He pitched in college for the Cal Poly Mustangs, undergoing Tommy John surgery before Seattle selected him in the 2021 MLB draft.
Bio summary from Wikipedia.
Player Stats
| W | 12 | L | 10 | ERA | 4.01 | G | 30 |
|---|---|---|---|---|---|---|---|
| GS | 30 | SV | 0 | IP | 173.0 | H | 152 |
| R | 84 | ER | 77 | BB | 39 | SO | 175 |
| WHIP | 1.104 | H/9 | 7.9 | HR/9 | 0.9 | BB/9 | 2.0 |
| K/9 | 9.1 | FIP | 3.25 | WAR | 2.0 |
2026 pitching — Baseball-Reference
Career — Lahman, through 2025
Pitching
| Year | Team | W | L | ERA | G | GS | CG | SHO | SV | IP | H | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SEA | 4 | 5 | 4.21 | 18 | 18 | 0 | 0 | 0 | 87.2 | 75 | 13 | 31 | 93 |
| 2024 | SEA | 9 | 3 | 2.89 | 22 | 22 | 0 | 0 | 0 | 121.1 | 96 | 14 | 13 | 101 |
| 2025 | SEA | 15 | 7 | 2.94 | 30 | 30 | 0 | 0 | 0 | 186.2 | 137 | 26 | 36 | 198 |
Season lines from the Lahman Baseball Database (Version 2025, via SABR), joined through the Chadwick Register ID crosswalk. The databank runs through the 2025 season — the current season is the 2026 line below, from the MLB Stats API.
2026 Season — MLB Stats API
Pitching
| W | L | ERA | G | GS | CG | SHO | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | 10 | 4.01 | 30 | 30 | 0 | 0 | 0 | 173.0 | 152 | 84 | 77 | 18 | 39 | 175 | 1.10 |
2026 regular-season line from the MLB Stats API (statsapi.mlb.com), pulled when this page was built. Multi-team stints are combined; rate stats are recomputed from the combined totals.
Watch Bryan Woo Highlights
“Over 30 minutes of Bryan Woo highlights in 2025! (25 straight starts of 6+ IP and fewer than 2 BB)” · Open on YouTube · More Bryan Woo videos