Top Red Sox prospect with ‘5-tool All-Star potential’ bashes 427-foot homer

Top Red Sox prospect Marcelo Mayer blasted a 427-foot home run in Double-A Portland’s 11-0 win over Reading on Friday. Mayer’s homer left his bat at 106 mph, according to the broadcast. Watch the blast here. The 21-year-old shortstop went 2-for-4 with one walk, three runs, one RBI and two strikeouts. He has gone 6-for-15 (.400) with a homer, double, five runs, two RBIs, two walks and four strikeouts in four games so far. Baseball America ranks him No. 21 on its Top 100 list. Boston drafted him fourth overall...