Watch Seattle Mariners vs Toronto Blue Jays live stream in this highly anticipated MLB Postseason showdown on October 21st, 2025, at 01:08 UTC. Experience the thrill as Seattle Mariners defend their home turf against Toronto Blue Jays in this must-watch MLB Postseason event. Tune in for heart-stopping plays and intense competition in this exciting MLB Postseason game. Don't miss a second of the action - watch live and be part of the excitement! #MLB Postseason #Seattle Mariners #Toronto Blue Jays #MLB PostseasonShowdown #GameDay #WatchLive