Cardinals receiver Larry Fitzgerald is taken down by Panthers linebacker Luke Kuechly during Carolina's Wild Card win over Arizona in Charlotte, N.C. (Perry Knotts/NFL)

Indianapolis Colts defensive end Cory Redding hugs Blue after a wild-card win over the Cincinnati Bengals at Lucas Oil Stadium. (Perry Knotts/NFL)

Baltimore Ravens strong safety Matt Elam intercepts a pass to Pittsburgh Steelers wide receiver Antonio Brown. (AP Photo/Gene Puskar)

The Dallas Cowboys celebrate DeMarcus Lawrence's game-clinching fumble recovery against the Detroit Lions. (Aaron M. Sprecher/NFL)

Baltimore Ravens outside linebacker Terrell Suggs intercepts a pass by Pittsburgh Steelers quarterback Ben Roethlisberger. (AP Photo/Don Wright)

Dallas Cowboys running back DeMarco Murray celebrates his touchdown run against the Detroit Lions. (Ric Tapia/NFL)

Indianapolis Colts cheerleaders pose before the AFC Wild Card Game against the Cincinnati Bengals. (Todd Rosenberg/NFL)

The referee conducts the coin toss before the wild-card game between the Detroit Lions and Dallas Cowboys. (Ric Tapia/NFL)

Cam Newton and his Carolina Panthers teammates celebrate a wild-card win over the Arizona Cardinals.

Dallas Cowboys quarterback Tony Romo celebrates a go-ahead touchdown against the Detroit Lions. (AP Photo/Tony Gutierrez)