After receiving Division I NCAA scholarships offers from different schools, he settled on the University of Tennessee.
Warren was signed as an undrafted free agent by the Dallas Cowboys after the 1983 NFL draft.
In the 1970s and early 1980s, the Cowboys had the luxury that they didn't need to carry a punter on their roster, because quarterback Danny White could perform that task at a high level.
He was placed on the injured reserve list after suffering a right knee injury, while covering one of his punts in the eighth game against the Los Angeles Raiders.
[6] In 1984, he became part of a revolving door at the punter position, where he was released and signed on different times during the season after White was given his old punting job back.