EDEN PRAIRIE, Minn. -- The Minnesota Vikings say Adrian Peterson underwent knee surgery Thursday morning for a torn meniscus, and no additional issues were found.
The team called Peterson's surgery successful. He injured his right knee in Sunday night's game against Green Bay.
It's not clear whether the Vikings' all-time leading rusher will return this season. The team has held off putting him on injured reserve and gave no update on his expected return in their statement Thursday on the surgery.
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