A.J. Pierzynski Designated For Assignment; Christian Vazquez To Start Wednesday The Boston Red Sox shook up their situation behind the plate in a big way Wednesday. Manager John Farrell confirmed to WEEI’s “Dale and Holley” that the team has designated veteran catcher A.J. Pierzynski for assignment and promoted 23-year-old Christian Vazquez from Triple-A Pawtucket. Vazquez will make his major league debut Wednesday night against the Chicago White Sox, catching pitcher Rubby De La Rosa and hitting ninth.