Although he has become a top-10 prospect as a shortstop, many MLB analysts believe Marcelo Mayer will make his Major League debut with the Boston Red Sox at first base. But Joel Reuter of Bleacher Report sees Mayer’s future unfolding across the diamond as MLB’s top player at third base.

After changing positions once, the veteran isn't keen on returning to a different infield position even after the season-ending injury to Triston Casas.

With Triston Casas out for the season after rupturing his left patellar tendon, the Boston Red Sox are frantically searching for a replacement to play first base. One such name being thrown around is designated-hitter Rafael Devers.