On the Mariners' side of things, the biggest moves that have happened have been declining second baseman Jorge Polanco's option and the signing former Philadelphia Phillies pitching prospect Adonis Medina to a minor league deal with a spring training invite.

For years, Seattle was regarded as a premier destination for Japanese players making the jump to Major League Baseball. The Mariners had strong ties across the Pacific: They had a longtime owner, Hiroshi Yamauchi,

This past Saturday, the Chiba Lotte Marines announced that they will begin the process of posting 23-year-old right-hander Roki Sasaki. Considered by many to be one of the most best pitchers on the planet,