It will mark the first baseball jersey retired by the school and the third from any sport as Spidale joins 1991 graduate Sean Person, who wore No. 21 in basketball, and 2016 grad Julian Love, who ...

Buehler’s social media post announcing his jersey number was the first public comment he’s made about joining the Red Sox since he agreed to a one-year, $21.05 million deal with them on Monday.

Walker Buehler had to change jersey numbers when he signed with the Red Sox. They haven't allowed any player to wear No. 21 since Roger Clemens, but they haven't officially retired his number, either.