"Nightline" gets a behind-the-scenes look at this week's anticipated "Monday Night Football" matchup between last year's Super Bowl teams: the Philadelphia Eagles and Kansas City Chiefs. WATCH NIGHTLINE EPISODES: abc.go.com/shows/nightline ALSO AVAILABLE ON HULU: hulu.tv/2wSmSrZ #nightline #mondaynightfootball #kelcebrothers #kelce #philadelphiaeagles #kansascitychiefs #football #nfl #sports #entertainment #abcnews