Boston Red Sox shortstop prospect Marcelo Mayer hit his fourth home run of the season since being promoted to Double-A Portland. He missed a home run in his previous at-bat, being robbed at the fence by outfielder Johan Rojas in the at-bat before his home run. After starting the season with a .890 OPS in 35 games with High-A Greenville, the 2021 first-round pick carries a .157/.228/.371 line with three stolen bases, 10 runs, and nine RBI in 18 games with Portland. The top prospect is far from ...