Tom Brady, at the age of 43, is eyeing his seventh Super Bowl ring this Sunday
Patrick Mahomes, 18 years younger at 25, could win back-to-back NFL titles
The fifth-seeded Bucs have been underdogs all the way to the grand showpiece
Chiefs have lost just two games all season and were again dominant in the AFC
Super Bowl LV is in Tampa, Florida on Sunday night - kick-off is at 11:30pm (GMT)