Andrew Luck has only been good this season when his team is down by more than two TDs. When the Colts are trailing by 15 or more points, Luck has five TDs and one INT with a 112.5 passer rating. However, in all other situations, Luck has eight TDs and 11 INTs for a passer rating of 60.5.

Peyton Manning returns to Indianapolis on Sunday to face Andrew Luck and the Colts. Luck leads the NFL with 12 INTs while Manning is tied for second with 11.

The Packers have failed to score 30-plus points in any of their last four games, which is their longest streak with Aaron Rodgers at QB since Weeks 11-15, 2012 (five games). After averaging 32.0 PPG in their first three games, they're scoring just 19.5 PPG in their last four games.

Excluding the 2012 season, when Adrian Peterson rushed for 2,097 yards (second-most in NFL history), Peterson has had only one four-game stretch in his career with more rushing yards than Todd Gurley's 566 rushing yards over his first four starts. That was from Weeks 6-9, 2007 when Peterson had 653 rushing yards.

Amari Cooper has more receptions, receiving yards and receiving TDs than all other 2015 first-round receivers combined. Those receivers are Kevin White, DeVante Parker, Nelson Agholor, Breshad Perriman and Phillip Dorsett.

Jameis Winston's 86.5 passer rating is the highest through seven career starts of any QB selected No. 1 overall in the Super Bowl era. Eli Manning was the No. 1 overall pick in the 2004 NFL Draft, and he had a 55.3 passer rating in his first seven starts.

Odell Beckham Jr. has 19 touchdowns in his first 20 games. The only player in history to catch more TD passes in his first 20 games was Randy Moss, with 20. Beckham's 0.95 TD per game average is the best in NFL history among players to play at least 16 career games.

Entering Week 9, there are four undefeated teams: CAR (7-0), CIN (7-0), DEN (7-0) and NE (7-0). That marks the most 7-0 teams in a season in NFL history and doubles the previous high of two. The most undefeated 8-0 teams in a season in NFL history is two, which occurred most recently in 2009 (NO and IND).

DeMarco Murray returns to Dallas this week for the first time since leaving the team in free agency. After all the offseason debate about whether or not Dallas should keep Murray, the Cowboys have two different running backs this season with more rushing yards than Murray's 307: Darren McFadden (345 yards) and the recently-cut Joseph Randle (315 yards).

The Chargers are the first team since 1970 (as far back as we can check) to start 2-6 despite having the league's No. 1 total offense through eight games played.

Patriots are 3-6 all time vs. the Redskins (2-1 in the Tom Brady era). During the last two seasons the Patriots played the Redskins, New England went to the Super Bowl (2007 and 2011). In 2007, the Patriots won 52-7 to improve to 8-0. Brady threw for 306 yards and five TDs (two rushing) (tied for third for most total TDs of his career).