In 2011, Richardson signed to play for the Philadelphia Soul of the Arena Football League. In 2012, he led the league in interceptions with 14, and was named the Defensive Back of the Year, as well as earning First-team All-Arena.[1]
After re-signing with the Soul for 2013, he was placed on other league exempt list due to his signing of a futures contract with the Cleveland Browns.[1]
After his release from the Browns, the Soul traded Richardson to the Jacksonville Sharks for Jeff Hughley.[2]
On February 27, 2014, Richardson was traded back to the Soul for Hughley once again.
On April 15, 2014, Richardson signed with the Toronto Argonauts of the Canadian Football League. He was released in June and re-joined the Soul.
On November 16, 2015, Richardson was assigned to the Orlando Predators.
Richardson was selected by the Dalian Dragon Kings of the China Arena Football League (CAFL) in the thirteenth round of the 2016 CAFL draft.[3] He earned All-Pro North Division All-Star honors in 2016.[4]
On January 31, 2017, Richardson was assigned to the Cleveland Gladiators.[5]
On June 15, 2017, Richardson was assigned to the Soul. On August 26, 2017, the Soul beat the Tampa Bay Storm in ArenaBowl XXX by a score of 44–40.[6]
On April 3, 2018, Richardson was assigned to the Baltimore Brigade.[7] On April 6, 2018, he was placed on recallable reassignment.[8]
On April 11, 2018, he was assigned to the Washington Valor. On April 16, 2018, he was placed on reassignment.[8]
.jpg)
