Jorge Polanco is banking that his work last season at first base with the Mariners — albeit not in games — has served as a good foundation as he attempts to play the position regularly. Access the ...

At first glance, the New York Mets decision to sign Seattle Mariners infielder Jorge Polanco to play first base doesn’t make a lot of sense. He’s never played the position before, and a lot of teams ...

Arizona has an option to round out their first base platoon.

Castellanos said Friday that he would "really welcome" playing first base if asked, MLB Network reports. Castellanos has never played first base before and has been a full-time right fielder since ...