Over the last four Cactus League games, a number of the Seattle Mariners' most well known players provided notable highlights.

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Gavin Williams will be the starting pitcher for the Cleveland Guardians in Game 2. The 26-year-old left-hander is coming off a superb 2025 season after staying healthy for the entire year. He posted 3.8 bWAR and logged career-high numbers across the board. Williams pitched 167.2 innings over 32 starts, finishing with a 12-5 record and a 3.06 ERA.

Rookie Chase DeLauter hit his first two career home runs as the Cleveland Guardians beat the Seattle Mariners 6-4

Opening Day marks a milestone season for the Seattle Mariners: 50 years of Major League Baseball in the Emerald City.

Ryan Sloan, Lazaro Montes and Yorger Bautista each delivered big days for the Seattle Mariners in Friday's prospect showcase.

A two-run homer from Luke Raley was unable to lead the Mariners to success in their first extra-inning game of 2026