Infielder Jorge Polanco and the Seattle Mariners finalized a $7.75 million, one-year contract on Monday. A 31-year-old second baseman who also has played at shortstop and third base, Polanco hit a career-low .

Seattle Mariners reporter Shannon Drayer explained why the 12th-year infielder will be moving to the hot corner.

Jorge Polanco is headed back to the Mariners at a new position. Find the details of the surprise move at MLB Trade Rumors.