Education
He played college football at the University of Kentucky and attended Kenwood High School in Clarksville, Tennessee.
He played college football at the University of Kentucky and attended Kenwood High School in Clarksville, Tennessee.
Lumpkin played high school football for the Kenwood High School Knights. He was also an All-State, All-Middle Tennessee, two-time all-region and all-area selection. Lumpkin played football for the Kentucky Wildcats from 2007 to 2010.
He was redshirted in 2006.
He appeared in 44 games, starting 29, in his college career. Arizona Cardinals
Lumpkin signed with the Arizona Cardinals on July 27, 2011 after going undrafted in the 2011 NFL Draft.
He was released on September 2 and signed to the Cardinals" practice squad on September 5, 2011. He was released by the Cardinals on November 1 and re-signed to the team"s practice squad on November 22, 2011.
Lumpkin was released by the Cardinals on August 31, 2012 and signed to the Cardinals" practice squad on September 1, 2012.
He was promoted to the active roster on December 15, 2012. He made his NFL debut on December 16, 2012 against the Detroit Lions, recording one tackle. He was released by the Cardinals on December 17, 2012.
Lumpkin was signed to the team"s practice squad on December 18, 2012.
He was placed on injured reserve by the Cardinals on August 31, 2013. Oakland Raiders
Lumpkin was signed to the Oakland Raiders" practice squad on November 20, 2013.
He was promoted to the active roster on December 14, 2013. He recorded his first career sack on December 14, 2014 against the Kansas City Chiefs.
Lumpkin was released by the Raiders on September 5, 2015.
Indianapolis Colts
On January 19, 2016, Lumpkin signed a reserve/future contract with the Indianapolis Colts. Lumpkin is a fan of Counter-Strike: Global Offensive, and streams gameplay of it on Twitch.tv.
He was named "Mr. Football” for Class American Association of Advertising Agencies in Tennessee recording 101 tackles, 35 tackles for a loss, 10 sacks, four forced fumbles, a fumble recovery and five passes defended his senior year.
He has also been a member of the Arizona Cardinals and Oakland Raiders.