With focus shifted to wild card, Mariners take on Astros

(Photo credit: Thomas Shea-Imagn Images)
The Houston Astros can finally relax, at least for the next few days.

The Seattle Mariners, meanwhile, have no such luxury.

Though the Astros (86-72) have a playoff spot secured, the Mariners (81-77) are still fighting to remain alive in the postseason race entering the teams' series finale Wednesday in Houston.

The Astros won their fourth straight American League West title wit