It's Mariners gameday. The Mariners take on the Athletics in game one of the series, in the last series of the road trip! Photos by mathewbermudez #SeaUsRise #RootedInOakland #DrumTogether #SeattleMariners #OaklandAthletics #SEAvsOAK #Baseball #MLB #MarinersBaseball #SeattleBaseball #JulioRodriguez #JesseWinker