Christian Walker hit a go-ahead solo homer in the sixth inning as the Houston Astros rallied from an early three-run deficit and beat the Seattle Mariners 11-3 to avoid a series sweep.

Taylor Trammell homered and drove in three runs against his former team as the Houston Astros beat the Seattle Mariners 11-3 to prevent a three-game sweep.

The 21-year-old became the first Mariners player that young to record a walk-off hit since Alex Rodriguez did it on March 31, 1996, against the Chicago White Sox.

The Houston Astros made a Framber Valdez announcement before Friday's series opener against the Seattle Mariners.

Everything you need to know about the MLB matchup between the Seattle Mariners and the Houston Astros, including how to watch and team news.