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

Luis Castillo bumped to game five of the season? Bryan Woo not pitching against the New York Yankees? What's going on? We discussed with ESPN MLB Insider Buster Olney.

The Seattle Mariners have high hopes to compete for a World Series title in 2026 after a heartbreaking end to last season.

A lifelong Mariners fan embodies the spirit and tradition of Seattle baseball on Opening Day. Advertisement. About Our Ads; About Our Ads

DeLauter became the sixth rookie in Major League Baseball history to hit multiple home runs in his first game in the bigs, helping Cleveland beat the Mariners 6-4. DeLauter got to Gilbert in the first inning, after a borderline pitch set up a full count.

The Seattle Mariners went their entire season opener without using the new Automated Ball-Strike Challenge System, despite a prime opportunity to do so.

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From couples from Puyallup, Port Orchard entering the yard first to team CEO John Stanton, they expect a first Seattle World Series in 2026.

A pair of 2025 postseason teams match up to open the 2026 season. Here's where to watch Seattle vs. Cleveland on Friday night.