New York Giants quarterback Jaxson Dart (6) is sacked by Dallas Cowboys defensive end Jadeveon Clowney (42). Robert Sabo for NY Post Sunday Night Football is kicking into high gear for NFL Week 1 with two very familiar teams going head-to-head out of the gates. The Giants host the Cowboys at MetLife Stadium for the opening week Sunday nightcap . It’s the seventh time the two teams will have opened the season against each other since 2012 and the most recent meeting among those games was a brutal 40-0 wipeout loss for the G-Men. Oddsmakers have the Cowboys listed as favorites by a thin margin. Dallas is a 1.5-point favorite and -130 on the moneyline with the Over/Under opening at 47.5 at DraftKings . Cowboys vs.…