In 2020, new Red Sox Chief Baseball Officer Chaim Bloom acquired or promoted 20 new pitchers -- including three position players -- who threw at least one pitch. His pitching staff had the worst team ERA in franchise history.
Perez, Mazza, Godley, Valdez, Brice, Springs, Osich, Covey, Kickham, Stock, Hart, Hall, Triggs, Leyer, Tapia, Houck, Pivetta, Lin, Plawecki, Peraza.