Jaxson Dart ’s poise has been an early hallmark of his brief tenure as the Giants starting quarterback. But if there’s one thing keeping him up later than usual, it’s what lies ahead in Denver on Sunday.

“This week, we got a really good defense to go against,” Dart said Wednesday. “So that’s what keeping me up, and trying to just prepare as much as I can.”

The rookie’s second road start comes against one of the NFL’s best defenses. It’s one thing for the Broncos to have the NFL’s sack leader in linebacker Nik Bonitto. But linebacker Jonathon Cooper is coming off a two-sack performance last week against the Jets . Eleven different Broncos have at least one sack through six games.

Yet it’s Bonitto who’s earned plenty of attention with eight sacks, and four consecutive games with at lea

See Full Page