Bryan Woo made his MLB debut in 2023, starting 18 games for the Seattle Mariners. While Woo struck out 93 batters in 87 2/3 innings, he finished the year with near-average run-prevention numbers.Woo made 16 starts for three levels in the MiLB in 2022 and nine in Double-A last season. His 3.74 ERA and 4.21 strikeout-to-walk ratio over those 25 starts were enough for the Mariners to entrust him with a starting spot over the final few months of 2023. His 4.21 ERA and 96 ERA+ were just under the ...