Adrian Peterson active for Vikings against Colts (The Associated Press)

FILE - In this Sept. 18, 2016, file photo, Minnesota Vikings running back Adrian Peterson carries the ball during the first half of an NFL football game against the Green Bay Packers, in Minneapolis. Peterson is returning to practice this week for the Vikings for the first time since tearing the meniscus in his right knee in September. Coach Mike Zimmer says he expects Peterson to practice all week. He is not sure if his star running back will be available to play the Indianapolis Colts this weekend. (AP Photo/Andy Clayton-King, File)Peterson announced on Friday that he was ready to return after missing the previous 11 games with a torn meniscus in his right knee and was listed as active before the game on Sunday. The Vikings also activated center Joe Berger after he missed the previous two games with a concussion.

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