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.

With Yordan Alvarez still sidelined, the Astros have a need they want to secure before the trade deadline approaches.

The Arizona Diamondbacks look to build on a strong run while the Houston Astros hope to get back on track when the teams meet in a three-game series beginning Monday in Phoenix.

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.

After the Mariners got off to a good start against the division rival Astros, Bryan Woo and company quickly fell apart.

Chas McCormick missed nearly two months with an oblique strain and should have chance to help injury-depleted outfield.

Houston Astros slugger Mauricio Dubon was furious after the Mariners hit two players in one inning. Here’s a look at the video.

Sunday wasn’t a must-win game for the Astros, but it was close. A three-game sweep at the hands of the Mariners would have seen their lead atop the American League West division dwindle to two games.