What a difference a year can make. Last season, Seattle Mariners starter Emerson Hancock failed to make it out of the first inning in his first start of the season, surrendering seven hits and six earned runs over 0.

Mariners baseball is back in Seattle as opening day kicks off with a 7:10 p.m. first pitch against the Cleveland Guardians at T-Mobile Park.

Here are six players who stood out as the Seattle Mariners opened their 2026 campaign with a four-game series split against the Cleveland Guardians.