Adrian Peterson's knee continues to improve, reports Jeremy Fowler of the St. Paul Pioneer Press, saying his knee has shown no swelling the morning after practice.
This news coming a day after the Minnesota Vikings said they'll sit the star running back for the remainder of the preseason in hopes of having him healthy by the time the regular season roles around.
Fowler says Peterson had 18 carries in Thursday's practice as the team prepares him for an increased workload up until Week 1. The big step will be taking contact, which AP has yet to do.
The Vikings host the Jacksonville Jaguars Sept. 9 to open the 2012 NFL regular season.
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