Former UNC Pitcher Cooper Criswell Boosts Boston Red Sox With Serviceable Starting Depth Posted Apr 18, 2024 Former UNC Tar Heels pitcher Cooper Criswell signed a one-year deal with the Boston Red Sox and stretched out as a starter in spring training. His stuff impressed during the spring, though he started the season with Triple-A Worcester to stay ready as a starter. His chance would come based on need, which may have come earlier than the Red Sox hoped. (NESN)