How to Watch Mariners at Phillies: Stream MLB Live, TV ChannelGeorge Kirby and the Seattle Mariners will take the mound against Matt Strahm and the Philadelphia Phillies as the series comes to an end today. Matthew Beighle | Apr 27, 2023How to Watch Mariners at Phillies: Stream MLB Live, TV Channel / Published Apr 27, 2023MATTHEW BEIGHLE