Mariners Sign 25-Year Lease Extension for Safeco Field, Through 2049 By Kevin Reichard on May 23, 2018 in Major-League Baseball, News Not that there was any talk of a move, but the Seattle Mariners signed a 25-year lease extension to their Safeco Field lease, tying the team to the Puget Sound region through the 2049 season. (more…) Continue Reading