Seattle Mariners vs Los Angeles Angels is a Major League Baseball regular-season game between American League West rivals, played at Angel Stadium of Anaheim in Anaheim, California. The contest pits the visiting Mariners against the home Angels as part of the MLB 2026 season, with divisional standings and postseason positioning often at stake. The game takes place in one of the league’s older, well-known ballparks—commonly called Angel Stadium or “The Big A.”