The Buffalo Bills are currently the top team in the NFL thanks to the Denver Broncos. The came back to stun the reigning Super Bowl champions Philadelphia Eagles, 21-17, Sunday afternoon. The Broncos scored 18 unanswered points in the fourth quarter to steal the game on the road.

Follow live updates on Sunday Night Football as the New England Patriots take on the Buffalo Bills in New York. Get the latest news as Buffalo looks to extend their undefeated streak.

The New England Patriots upset the Buffalo Bills, 23-20, on Sunday night ensuring every NFL team now has at least one loss this season.

Buffalo's loss matters because of how it happened. The offense was brutal in the first half, hamstrung by a ton of penalties. The Bills had seven accepted penalties against them before the Patriots had one, and they weren't fluky. Buffalo kept messing up, again and again.

THE PREVIOUSLY UNBEATEN Buffalo Bills and Philadelphia Eagles both slumped to shock defeats in the NFL, as the injury-hit Baltimore Ravens suffered a humiliating blowout.

The Denver Broncos are traveling to London to face the New York Jets in Week 6, but they face concerns about starting left guard Ben Powers.

The Bills host the Patriots on Sunday Night Football. Stay updated with live dates throughout the day and night.

The Bills debuted "Cold Front" uniforms for a "white out" game against the Patriots on Sunday night at Highmark Stadium.