The organization has spent months promoting its 50 Seasons Celebration Weekend and a postgame Alumni Home Run Derby headlined by franchise icons. They eventually made it right, not without pointing to the complications created by Apple TV owning the exclusive rights to Friday night’s game. Fans will need an Apple TV subscription and access to the Apple TV app. Matchup: Seattle Mariners vs. Tampa Bay RaysDate: Friday, August 7Coverage time: 6:45 p.m. PTStream: Apple TVSubscription required: YesHow to Stream the Mariners Alumni Home Run Derby for FreeImmediately after the game, the Alumni Home Run Derby will stream through Mariners.TV and MLB.TV. The original event announcement has the full background on Seattle’s first Alumni Home Run Derby.