Peterson (ankle) is listed as questionable for Sunday's game at Detroit. Peterson says he's about 80 percent healthy, ESPN 1500 am Twin Cities reports.Spin

eterson will likely be a game-time decision, but head coach Leslier Frazier curiously said the team will make a decision before Sunday - which may suggest he won't play. While it's encouraging that Peterson returned to practice this week, the Vikings may not be motivated to have him return if not a full strength in a meaningless game.[breaking News]Fri, Dec 9Peterson (ankle) was on the field, but not doing much during group drills Friday, according to 1500ESPN.com's Tom Pelissero.Spin

elissero goes on to say that Peterson's Week 14 status is still up in the air, so this could evolve into a game-time decision for Sunday's 1:00 ET kickoff against the Lions.