Minnesota Vikings running back Adrian Peterson (28) reacts to Viking fans after the Green Bay Packers beat the Vikings 24-10 in the NFC wild card playoff game at Lambeau Field on Jan. 5, 2013. / Benny Sieu, USA TODAY Sports
Adrian Peterson's 2,097-yard season coming off ACL surgery was even more incredible than it appeared.
The Minnesota Vikings running back was also playing through a sports hernia, a painful abdominal condition that required surgery Thursday, the team announced. The procedure was performed in Philadelphia by noted sports-hernia specialist William Meyers.
"We expect a speedy recovery with no long-term concerns," the Vikings' statement read.
The team did not indicate when the injury occurred and how long Peterson was suffering, though he was listed on the injury report with an abdominal issue when he missed a few practices in December.
He closed the season as strongly as he began it by rushing for 861 yards in his final five regular-season games. He was held to 99 yards on 22 carries in the playoff loss to the Green Bay Packers.
Peterson also played in the Pro Bowl late last month, which is perhaps an indication he didn't think his 2013 season or offseason preparation would be affected by the injury and any surgery to repair it.
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