 Marcelo Mayer was selected by the Boston Red Sox with the fourth overall pick in the 2021 draft. The 21-year-old is the epitome of a blue-chip prospect. A five-tool player, he's having a big season for the Sox double-A team in Portland, Maine. Mayer is hitting .300 with seven home runs and 36 runs batted in, and they're at the break right now. It seems a big league call-up isn't far away. News 8's Bob Rumbled has more.