commentator for nbc sports, mike tirico. we've been talking about the coach, about the color commentator, about the video game that our boys love to play and know him from. can you talk about the way john madden changed what you do for a living? >> oh, my gosh, willie, in so many ways. and happy holidays. john madden made the color commentator in football the star of the show. so many of us who call games now have pieces of madden next to us in certain ways that many the analysts don't even know, how they draw on the telestrator, how they explain things. john had a special way of taking the complexities and making them explainable to your mom, to a kid who never played the game before. he did it with color and excitement and passion and emotion. i think going to cover the game up in green bay this weekend. we go in on fridays before a sunday game to do production meetings. that's a madden thing. madden pulled the curtain back a little bit on football and made us as broadcasters all find a way to bring it closer to people at