It's official: Martín Pérez is back.
The Boston Red Sox on Friday officially announced the one-year deal with the pitcher. To make room for Pérez, Boston designated Chris Mazza for assignment.
There also is a club option for 2022.
Pérez debuted with the Red Sox in 2020 and led the team with 12 starts. He went 3-5 with a 4.50 ERA.
Boston's 40-man roster now is at 40.