Adrian Peterson (born March 21, 1985 in Palestine, Texas.) is an American football running back currently is a free agent. He played college football at Oklahoma for the Sooners. Peterson ran the 40 yard dash in 4.40 at the NFL scouting combine. He was selected in the first round of the 2007 NFL Draft by the Vikings with the 7th overall pick. Peterson won the rushing title in 2008, with a career-high 1,760 yards, adding 10 touchdowns and averaging 4.8 yards per carry. He was named to the Pro Bowl in each of his first four seasons, earning Pro Bowl MVP honors in 2008.
During his freshman season, Peterson broke many NCAA freshman rushing records, rushing for 1925 yards and leading the nation in carries with 339. He was a finalist for the Heisman Trophy, finishing second to USC quarterback Matt Leinart, which was the highest finish ever for a freshman. He was also a finalist for the Doak Walker Award. Among other honors include being the first Oklahoma freshman recognized as a First-Team Associated Press All-American. Peterson contributed to an undefeated season for the Oklahoma Sooners and participated in the 2005 BCS National Championship Game with a berth to the FedEx Orange Bowl.
Peterson's father, Nelson Peterson was released from prison during the 2006 college football season and was able to watch his son as a spectator for the first time on October 14, 2006 when Oklahoma played Iowa State University. Oklahoma defeated Iowa State in that game, but Adrian Peterson broke his collar bone diving into the end zone to end a fifty-three yard touchdown run. During a press conference on October 18, Peterson said he was told by doctors to expect to be out for four to six weeks. At the time of the injury, Peterson needed only 150 yards to gain to pass Billy Sims as the University of Oklahoma's all-time leading rusher He was unable to return for the rest of the Sooners regular season, but returned for the Sooners' last game against Boise State in the 2007 Fiesta Bowl, where he rushed for 77 yards and a touchdown. He refused to discuss his plans beyond the end of this season with the press. He concluded his college football career with 1,112 rushing yards his final season for a college career total of 4,045 rushing yards in only 3 seasons. He was seventy-three yards short of passing Billy Sims as Oklahoma's all-time leading rusher.
In week 16 of the 2011 season, a Christmas eve game, Peterson was tackled by Washington Redskins safety DeJon Gomes, tearing both the ACL and MCL in his left knee. Having previously missed 3 games due to an ankle sprain, Peterson finished the season with 970 yards in 12 games, the first time in his career he failed to eclipse the 1,000 yard mark. He underwent surgery to repair his knee on December 30th and returned to non-injury status at Vikings training camp on August 12, 2012, practicing with his team for the first time in 7 1/2 months.