The Fox NFL Sunday host sent some sarcasm Gronk's way during the sequenceFUNNY FOX Terry Bradshaw breaks down in laughter on Fox NFL Sunday after Rob Gronkowski bizarrely explains family treeTERRY Bradshaw was in hysterics during Fox NFL Sunday after Rob Gronkowski's strange explanation of a family tree. The Pittsburgh Steelers legend was alongside Gronk and the rest of the Fox NFL Sunday crew during the Week 3 edition of the football pregame show. "The son of Marvin Harrison Sr."Of course, Harrison is the son of Marvin Harrison Sr., who's a Pro Football Hall of Fame wide receiver. Menefee then sarcastically asked Gronkowski, "Marvin Harrison Jr is the son of Marvin Harrison Sr? How to watch NFL games in 2025 THE 2025 NFL season is fast approaching and you can get some excellent deals to watch all the action.