MLB Draft 2021: Red Sox select prep shortstop Marcelo Mayer with No. 4 pick | CBS Sports Headlines MLB Draft 2021: Red Sox select prep shortstop Marcelo Mayer with No. 4 pick Mayer was ranked No. 1 on CBS Sports’ pre-draft top 50 ESN FeedsThis post was originally published on … Continue reading MLB Draft 2021: Red Sox select prep shortstop Marcelo Mayer with No. 4 pick