Career
He was signed on May 8, 2007 as an undrafted rookie free agent from Texas Agricultural and Mechanical University, but waived on May 15. In 2009, Warren played for the Spokane Shock professional arena football team Justin played football at Robert East. Lee High School in Tyler, Texas.
In his senior year, he was named all-American in Parade magazine.
Warren attended Texas Agricultural and Mechanical University and continued his football career there. Dallas Vigilantes
Warren advanced to the Arena Football 1 in 2010 with the Dallas Vigilantes.
Philadelphia Soul
Warren played with the Philadelphia Soul during the 2012 season. San Jose SaberCats
In 2012, Warren signed with the San Jose SaberCats for the 2013 season.
Pittsburgh Power
On September 17, 2013, Warren was traded by the SaberCats to the Pittsburgh Power for future considerations.
