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HOUSTON - Adrian Peterson rushed for 86 yards, falling far short of the 2,000-yard mark, yet helping the Minnesota Vikings keep their playoff hopes alive with a 23-6 upset of the Houston Texans on Sunday.

Christian Ponder threw a touchdown pass, Toby Gerhart added a score and Blair Walsh kicked three field goals. The loss kept the Texans (12-3) from clinching home-field advantage throughout the AFC playoffs. They could still secure a first-round bye if Denver loses later Sunday. Peterson had his lowest rushing total since getting 79 yards on Oct. 14 in a loss at Washington. He has 1,898 this season and needs 208 yards to break the NFL single-season rushing record held by Eric Dickerson. The Texans failed to score a touchdown for the first time since 2006.