The Red Sox and the Mariners are starting their seasons on the west coast, with Boston hoping for improvement after finishing last in the AL East. The big Red Sox moves include trading Chris Sale for Vaughn Grissom and signing Lucas Giolito, who is now out with elbow surgery. Seattle, just one game shy of playoffs last year, added Mitches Garver and Haniger in the off-season.

Red Sox will face the Mariners on Opening Day at T-Mobile Park. Probable pitchers are RHP Brayan Bello for BOS and RHP Luis Castillo for SEA. Red Sox are facing challenges with ownership spending, while Mariners are banking on internal improvements and a strong rotation led by Castillo.