While Warren played football at John F. Kennedy High School in Suffolk, Virginia, he became better known as a sprinter.
In 1988, as a high school senior, Warren anchored the United States 400 meter relay team to a gold medal in the IAAF World Junior Track and Field Championships in Sudbury, Ontario.
He played both sports at Hampton University, where he set several sprinting records and was a two-time NCAA Division II national champion in the 200 meter dash.
After his stint in San Francisco, he signed with the Jacksonville Jaguars, though he never played for the team due to injury.
This biographical article relating to an American football wide receiver born in the 1960s is a stub.