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.

Who could the Red Sox turn to at first base if Romy Gonzalez doesn’t work out and Rafael Devers stays at DH? A deep dive into Boston’s potential options, including who makes sense and