The Boston Red Sox have two of the most exciting young guys in baseball at the big league level, but things haven't gone completely as planned. Kristian Campbell made the roster out of Spring Training as the team's everyday second baseman.

Red Sox prospect Marcelo Mayer spent his first days in the big leagues with Boston searching for his missing car keys.

Red Sox third baseman Alex Bregman calls to the dugout for a trainer after hitting a single against the Baltimore Orioles during the fifth inning at Fenway Park on May 23, 2025 in Boston, Massachusetts. (Photo by Brian Fluharty/Getty Images) Getty Images *The arrival of Marcelo Mayer Saturday was a welcome sight.