Starting running backs Arian Foster of Houston, Matt Forte of Chicago and Trent Richardson of Cleveland were sidelined for part of their games Sunday.
The Colts were a nice little story six weeks ago.
SEATTLE (AP) The San Francisco 49ers will be without defensive tackle Justin Smith because of an elbow injury, ending his streak of consecutive starts at 185.
Some teams surge toward the playoffs. Look at Denver, Seattle, Washington and Green Bay.
Others struggle to stay in the mix: try the Steelers, Bengals, Giants and Bears.