On July 27, 2011, the Bears signed Thomas to a 4-year contract. Thomas was eventually placed on injured reserve due to a hip problem. In the 2012 season opener against the Indianapolis Colts, Thomas forced LaVon Brazill to fumble, and Kelvin Hayden recovered the loose ball.[2]
On August 31, 2013, Thomas was among the final cuts by the Bears.[3]
On March 10, 2015, Thomas signed a three-year, $12 million contract with the New York Giants.[5][6] On December 31, 2015, Thomas was placed on injured reserve.[7]
On September 12, 2016, Thomas was placed on injured reserve after he suffered torn ligaments in his left knee in Week 1 against the Dallas Cowboys.[8]
On September 28, 2017, Thomas was once again placed on injured reserve after suffering a groin injury in Week 2.[9] He was released with an injury settlement on November 28, 2017.
He gained some national media attention for taking a disabled eighth grade girl in Morgantown, West Virginia to her 8th grade dance on Friday, May 20, 2011.[11][12] He received more national attention after he gave a 14-year-old boy with epilepsy tickets to Super Bowl XLVI, with Thomas also attending the game.[13]