SEATTLE — The Mariners announced today that the franchise will celebrate its 50th season throughout 2026, headlined by 50 Seasons Celebration Weekend from August 7–9 at T-Mobile Park.
The Mariners will honor the Top 50 Greatest Mariners Players in a special pregame ceremony on August 8, plus an additional lineup of 50 Seasons giveaway items and promotions over the course of the 2026 season.
“Celebrating 50 seasons of Mariners baseball is a tribute to the generations of fans, the community, and the Mariners players who have defined this franchise,” Mariners President of Business Operations Kevin Martinez said.