2021 MLB All-Star Celebrity Softball Game rosters feature DK Metcalf, CC Sabathia, Quavo, JoJo Siwa, more | CBS Sports Headlines 2021 MLB All-Star Celebrity Softball Game rosters feature DK Metcalf, CC Sabathia, Quavo, JoJo Siwa, more Former MLB stars Vinny Castilla, Hunter Pence and Larry Walker will also appear in … Continue reading 2021 MLB All-Star Celebrity Softball Game rosters feature DK Metcalf, CC Sabathia, Quavo, JoJo Siwa, more