Running back, Minnesota Vikings
He didn't get the single-season rushing record, but Peterson surpassed 2,000 yards for the season and powered the Vikings to a playoff berth. Peterson ran for 199 yards and a touchdown on 34 carries and caught a 2-yard scoring pass as Minnesota outlasted Green Bay 37-34.
Running back, Washington Redskins
Speaking of big-time rushing performances, Morris also powered his team into the playoffs. Morris ran for 200 yards and three TDs in the Redskins' 28-18 victory over Dallas. He finished the regular season with 1,613 rushing yards, a new a franchise record.
Quarterback, Denver Broncos
With the AFC's top seed hanging in the balance, Manning and the Broncos didn't disappoint. Manning completed 23 of 29 passes for 304 yards and three touchdowns in Denver's 38-3 victory over the Chiefs.
Quarterback, N.Y. Giants
Perhaps it was a high sense of urgency. Or an inferior opponent. Either way, Manning and the Giants' offense looked unstoppable, especially early, in the regular-season finale. Manning threw a career-high five TD passes in a turnover-free performance, leading New York to a 42-7 victory over Philadelphia.
Wide receiver, San Francisco 49ers
Crabtree has become a go-to guy for 49ers QB Colin Kaepernick. Crabtree continued his recent surge Sunday, catching eight passes for a career-high 172 yards and two touchdowns in a 27-13 victory over Arizona.
Punt returner, Tennessee Titans
The Titans' offense could not break out of its funk Sunday. Thanks to Reynaud and an opportunistic D, it didn't matter. Reynaud returned two punts for touchdowns (69 and 81 yards) in Tennessee's 38-20 victory over the Jaguars.
Running back, Carolina Panthers
Relatively quiet in 2012, Williams finished with a flourish. Williams rushed for a career-high 210 yards, including TD runs of 54 and 12 yards, powering Carolina to a 44-38 victory over the Saints. Williams' 65-yard gain in the second quarter set up the first of three 1-yard scoring runs by Mike Tolbert.
Cornerback, Indianapolis Colts
Davis helped make sure the return of Colts coach Chuck Pagano was a success. Davis intercepted Texans QB Matt Schaub twice in a 28-16 Indianapolis victory. He returned his first pick 26 yards, setting up a touchdown.
Running back, Tampa Bay Buccaneers
Martin closed out an excellent rookie season in impressive fashion. Martin rushed for 142 yards and a score on 28 carries in the Buccaneers' 22-17 victory over Atlanta.
Quarterback, Dallas Cowboys
Talk of Romo being unclutch is about to hit a fever pitch. Romo threw three interceptions, including a back-breaker in the closing minutes, as the Cowboys were knocked from the playoff picture in Washington.
Quarterback, Jacksonville Jaguars
Does Henne have a chance to be the Jaguars' starter in 2013? He didn't help his cause Sunday. Henne threw three interceptions, including a pair that were returned for touchdowns, in Jacksonville's loss to the Titans.
Quarterback, N.Y. Jets
Maybe the Jets should've given Tim Tebow a shot after all. Back in the starting lineup after one week holding a clipboard, Sanchez couldn't reverse his fortunes in Buffalo. He completed only 17 of 35 passes, threw an interception and lost a fumble in a 28-9 loss.
Quarterback, Houston Texans
Schaub, who takes a lot of heat for not performing in the clutch, didn't rise to the occasion against Indianapolis. He got picked off by Davis in the first half when he missed a wide-open James Casey deep and forced a fourth-quarter pass for Andre Johnson (12 catches, 141 yards) in the end zone that Davis raced under to collect.
Rookie QB Ryan Tannehill didn't get much help in Foxborough. The Dolphins rushed for only 47 yards in a 28-0 loss to the Patriots. Reggie Bush was held to 8 yards before gaining 18 on the game's final play.