Boston Red Sox pitcher Lucas Giolito says if rookie Marcelo Mayer can hit 20 home runs this year, he'll get him an expensive gift.

The Boston Red Sox have been trying to thread the needle between winning now and developing superstar prospects, and it's created sticky situations galore. Second baseman Kristian Campbell joined the team straight out of spring training and signed an eight-year extension shortly thereafter.

Boston Red Sox manager Alex Cora has been sitting Mayer and Anthony against left-handed pitchers, but some are arguing that needs to change.