The Vikings signed veteran free-agentrunning back Ronnie Hillman on Wednesday after learning Adrian Peterson is set to undergo knee surgery Thursday, the team announced.Coach Zimmer announces the #Vikings have signed Ronnie Hillman.https://t.co/7bGt34fFAx pic.twitter.com/ltqCh1jrKW Minnesota Vikings (@Vikings) September 21, 2016Hillman was released by the Montee Ball Jersey Broncos during the preseason after running for 863 yards and seven touchdowns on 207 carries last season. He was deemed expendable after C.J. Anderson took control of the starting spot in Denver and rookieDevontae Booker slid into the No. 2 spot.Peterson likely will mi s the next Melvin Ingram Jersey 3-4 months because of a torn meniscus, so the Vikings decided to add an experienced runner to compete againstJerick McKinnon and Matt Asiata.MORE: Week 3 picks against the spreadDuring Wednesday's pre s conference, Vikings coach Mike Zimmer confirmed that McKinnon, Desmond Trufant Jersey who has only three carries for 8 yards this season,will start this week against the Panthers."I don't think many people think we can win this game," Zimmer said."I don't think many people thought we could win the last game."MORE: Week 3 NFL power rankingsMinnesota did win, however, as Sam Bradford made his Vikings debut count Jack Ham Jersey with a big home win against the Packers. Carolina's defense will be a tough test, but the Vikings are 2-0 and ready to compete.