56?BSTUnlike many scions of blue-blood NFL family dynasties, Dan Rooney was not an imposing man. “The Giants participated in this as well, so John Mara’s going to have to open the checkbook,” Christie said of Manning’s team, which plays their home games in New Jersey. “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. ”Perhaps Rooney’s most lasting contribution to the NFL and to sports in general came with the Rooney rule.