The Mariners are looking to lock down a Wild Card spot as they return home.  Seattle hosts the Rangers tonight at T-Mobile Park.  The Mariners come off a series loss to the Royals and have dropped seven of their last 10 games.  The club sends lefty Robbie Ray to the mound for the series opener.  Opposite him is righty Jesus Tinoco for Texas.  The Mariners lead the Orioles by three-and-a-half games for the final Wild Card spot. 

The Athletics are hitting the road to face a division foe.  Oakland takes on the Angels tonight in Anaheim.  The A's come off a series loss to the Mets and have dropped three of their last four games.  The club sends right-hander James Kaprielian to the mound for the series opener.  Opposite him is left-hander Patrick Sandoval for Los Angeles.  The A's sit last in the AL West at 56-97. 

The Giants are returning home from a successful road trip.  San Francisco hosts the Rockies tonight at Oracle Park.  The Giants come off a series win over the Diamondbacks and have won six of their last seven games.  The club sends righty Logan Webb to the hill for the series opener.  Opposite him is fellow right-hander German Marquez for Colorado.  The Giants come in at 75-78.