He also played pro ball in the United States Football League (USFL).
Smith signed as an undrafted free agent with the Los Angeles Rams following the 1973 NFL draft.
Eagles wide receiver Harold Carmichael, who attended Southern University, was Smith's rival in college due to their teams playing in the same conference.
Eagles defensive end Ricky Harris played with Smith at Grambling State.
In Super Bowl XV against the Oakland Raiders, Smith caught two passes for 59 yards.