Lucas signed with the Washington Redskins in February 1960. He was then traded by the Redskins to the Philadelphia Eagles in September 1960. Lucas played at the tight end position for the 1960 Philadelphia Eagles team, appearing in all 12 regular-season games principally as a blocker on punt and kickoff returns and as a tackler on kickoffs. The 1960 Eagles compiled a 10–2 record and defeated the Green Bay Packers in the NFL Championship Game. Lucas appeared in the first quarter of the championship game, but missed the rest of the game with a bruised knee. He received an NFL championship ring for his role on the 1960 Eagles.