Tar Heels in MLB: Zac Gallen Arizona’s opening-night starter; Matt Harvey seeks another chance Posted Mar 28, 2023 Three former UNC Baseball players are on Opening Day major-league rosters, with Matt Harvey hoping for another chance. Seven others who have made their big-league debuts are starting in Triple-A and another in Double-A. Topping the list of Tar Heels in pro baseball is Arizona Diamondbacks right-hander Zac Gallen, one of the best pitchers in baseball. (Tar Heel Tribune)