Fans start entering NRG Stadium for Super Bowl LI

HOUSTON - Fans started entering NRG Stadium four hours before the Super Bowl between the New England Patriots and the Atlanta Falcons.The Patriots are going for their fifth Super Bowl in the Tom Brady-Bill Belichick era. A win would give Brady the most Super Bowls in league history, breaking a tie with Joe Montana and Terry Bradshaw.The Patriots have overcome Brady's four-game "Deflategate" suspension, star tight end Rob Gronkowski's season-ending back surgery and the loss of two defensive stalw