George Kirby reached 50 career wins as the Seattle Mariners defeated the Houston Astros 3-1 at Daikin Park on May 11, 2026. The milestone represents a significant achievement for the right-hander in his fifth major league season since debuting in 2022.
Kirby has built his win total steadily across his time with Seattle, appearing in 25 games in 2022, 31 games in 2023, 33 games in 2024, and 23 games in 2025. Through nine starts in the 2026 season, he has compiled a 5-2 record with a 2.84 ERA and 46 strikeouts across 57.0 innings pitched. His career statistics now include a 50-36 record with 667 strikeouts and a 3.52 ERA over 694.7 innings.
The victory came in Houston as the Mariners secured a 3-1 road win against the Astros. Kirby earned the decision in the contest that pushed his career win total to the 50-victory plateau.
The 50-win milestone marks five seasons of major league service with the Seattle organization since Kirby's debut in 2022.