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Updated: November 20th, 2013 6:40pm
Injury report: Vikings 'cautiously optimistic' that Peterson will play

Injury report: Vikings 'cautiously optimistic' that Peterson will play

by Andrew Krammer
1500ESPN.com
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EDEN PRAIRIE, Minn. -- Minnesota Vikings running back Adrian Peterson missed the open media portion of practice on Wednesday as the team worked outdoors in preparation for Lambeau Field on Sunday.

Peterson suffered a groin injury recently and appeared hampered by the ailment in Sunday's loss at the Seattle Seahawks. Peterson broke just one tackle and was held for fewer than four yards per carry for the fifth time in 10 games this season.

"I mentioned on Monday the groin has been bothering him," coach Leslie Frazier said. "We'll see what we need to do this week."

Peterson has seen his worst stretch of production since his final six games of 2011, in which he averaged just 72 yards per game before tearing his ACL. He's averaging the exact same in the six games since the Vikings returned from London this season.

Remove Peterson's 140-yard outing at the Dallas Cowboys and Peterson has averaged 58 yards per game in five of his last six. He hasn't put the ball on the ground in five straight weeks, but Peterson's subpar performances - to everyone's superhuman standards - have only been heightened by this recent groin injury.

Peterson is running against the same fronts, behind the same offensive line as he did in his MVP season in 2012, but the results have been much different. Center John Sullivan missed Wednesday's practice from a concussion he suffered in Sunday's loss. His availability for Sunday is also in question as reserve center Joe Berger fills in.

Frazier didn't have much of an update on Peterson's injury, just to say that it continues to limit him. After he falsely predetermined receiver Greg Jennings' status last week, Frazier was careful in how he phrased Peterson's outlook for Sunday.

"Cautiously optimistic, I guess I'll say."

Injury report 

Six Vikings starters missed practice entirely on Wednesday and four others were limited. 

Peterson, Jennings, Sullivan and linebacker Erin Henderson (non-injury) sat out. Sullivan has not passed all the necessary steps of the NFL concussion protocol and will need to do so before returning to the field. 

Cornerback Josh Robinson (chest) and tight end Kyle Rudolph (foot) also sat out as they're both in the middle of four-to-six week recoveries. 

Defensive tackle Fred Evans started at nose tackle on Sunday and was limited in practice on Wednesday with knee and shoulder ailments. Defensive tackle Letroy Guion (chest) was also limited. Tight end Rhett Ellison remains limited with an ankle injury while rookie linebacker Michael Mauti popped up on the official report with a knee injury. He was limited. 

Notes

  • Rookie fullback Zach Line, who was placed on injured reserve with a knee injury in September, recently had surgery to repair a labrum in his left shoulder. Line said it's an injury he's played with throughout his college days, knowing one day he'd have to get it done, adding there's no better time than now as he has more than six months before reporting to offseason workouts. 

  • Linebacker Desmond Bishop returned to Winter Park on Wednesday, just about a month after he had surgery to repair a torn ACL he suffered in an Oct. 13 loss. Bishop said he's continuing to take it one day at a time after his second season-ending injury in as many years. 

  • Robinson appeared optimistic on Wednesday that he would be able to return this season, despite a four-to-six week recovery in front of him with just six weeks left in the season. Robinson suffered a fractured sternum in Sunday's loss and Frazier said Monday they would mull over placing him on injured reserve. 
Andrew Krammer covers the Minnesota Vikings for 1500ESPN.com. He previously covered the Gophers men's basketball team for the Minnesota Daily.
Email Andrew | @andrew_krammer
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