Roman Anthony was a late scratch, but with Marcelo Mayer and Kristian Campbell in the lineup, the spring opener was a preview of the future.

The pair played up the middle in the Red Sox' 5-2 win in their annual exhibition against Northeastern, with Mayer at shortstop and Campbell at second base.

Of Boston’s “Big 3″ prospects, Marcelo Mayer may be the one with the most to prove this year, and that’s fine by him. He hates to lose. Always has. It was actually a bit of a problem back in the day.

MassLive's Sean McAdam recaps Friday's spring training game between the Red Sox and Northeastern which included the debuts of Marcelo Mayer and Kristian Campbell.

Number 3 Red Sox Prospect Marcelo Mayer earns his first Spring Training hit in the bottom of the first inning to the Northeastern Huskies