(Photo by Tim Warner/Getty Images) GettyThe Seattle Mariners activated Brendan Donovan off the injured list Tuesday ahead of the home series opener against the Detroit Tigers. AdvertisementAdvertisement AdvertisementDonovan has been out since May 17th when the Seattle Mariners promoted Colt Emerson from Triple-A Tacoma. Seattle Mariners Activate Brendan Donovan Off the Injured ListSeattle Mariners Brendan DonovanDonovan could be one of the keys for the Mariners to reverse the bad fortune of their season. The Mariners Finally Have HopeSeattle Mariners Brendan DonovanToday marks the healthiest the Mariners have been all season long offensively. This article was originally published on HEAVYThe post Seattle Mariners Announce Pivotal Return Ahead of Tigers Series appeared first on HEAVY.