Boston Red Sox SS prospect Marcelo Mayer is getting the call to the major leagues, as starting 3B Alex Bregman (calf) is headed to the injured list. Fantasy managers should not expect Mayer, 22, to replace Bregman's excellent numbers (.938 OPS), but he should see opportunity for playing time over the likes of Nick Sogard and Abraham Toro. Mayer is an excellent defensive shortstop, but he has played second base and third base at Triple-A Worcester as well this season.
Ranked No. 6 in Kiley McDaniels' recently updated top 50 prospect rankings, Mayer hit .