His legacy is the NFL rule named for him, the one that stands as the league’s most progressive piece. Rooney took over operation of the team in the 1960s from his father, Art, who founded the franchise. “I just got done jumping on the trampoline with my two-year-old daughter,” Heap told Byrne, “and it’s hard to get a bigger smile than that. Balancing intensity with proper recovery is also important.