Bottom of the fifth inning, Carolina trailing Miami 4-1 and a Tar Heel batter belts the baseball to centerfield. The Miami fielder leaps for the catch, crashes into the protective padding, then crumples to the ground still holding his glove above his head. Is it a catch? The umpires say yes. The Carolina coach isn’t so sure. He asks for a review and stands on the grass at the edge of the field to discuss the call with two of the umpires. All three are wearing masks. So are the fans in Boshamer Stadium, except the ones currently eating or drinking. The game is technically sold out, but at on...