This former NFL cheerleader has traded in her pom poms for P.P.E. Carol Mazer is one of many medical professionals who were once professional cheerleaders. Mazer once performed on the sidelines of Oakland Raiders games, but now she suits up to fight COVID-19 in the emergency room. Alicia Purdy, a former St. Louis Rams cheerleader, is a coronavirus intubation expert. Joanie Polidoro says her patients are excited when they find out their I.C.U. nurse used to cheer for the Philadelphia Eagles.