A Minnesota Vikings Speed Flex Mid-Size NFL Midi Helmet hand signed by Adrian Peterson. The signature and item are in excellent condition. Peterson played college football at the University of Oklahoma, where he became a standout before entering the NFL in 2007. He was drafted by the Minnesota Vikings. Over his career, he set numerous records, including the NFL single-season rushing yards record with 2,097 yards in 2012, just eight yards shy of breaking the all-time record. He was a seven-time Pro Bowl selection and an NFL MVP in 2012. AUTHENTICATION: The item has been tagged with a SmarTag powered by Prova Technology, which gives you digital access to the items authentication records, including a proof picture from the signing.