John played for the Cleveland Browns from 1959-1967, the Washington Redskins from 1967-1968. John has been involved with the NFL for 44 years and served as Director of Pro Sports Advisors (Agent for Professional Athletes - 1973-1975); Player Personnel (Cowboys - 1975-1991); Director of Pro Personnel (Cowboys 1980-1991); Creator/Director of Player Programs (NFL - 1991 - 1992 (developing programs for Continuing Education, Financial Assistance, Family Assistance, Internship for NFL Players; Player Personnel (Eagles 1992-1993); Vice President Player Personnel (Eagles 1994-1997); Assistant Director of Pro/College Scouting (Ravens 1998-2001), Consultant-Player Personnel (Ravens - 2001 until he retired in 2004).

His on-the-field honors include, Associated Press All-Big Seven, All American Honors at Offensive Guard at the University of Colorado in 1958, named to the Chicago Tribune's College All Star Game in 1959, Sporting News NFL All Star Team in 1965, named to the NFL Pro Bowl teams in 1966 and 1967, Cleveland Browns All-Time All Star Team, named to University of Colorado's All Century Football Team, he was inducted into the Texas Black Sports Hall of Fame Inductee in 2002 and Hall of Fame inductee with the University of Colorado in October 2004, September 2005 Honored Jersey with the University of Colorado and has three World Championships -- Browns -1964, Cowboys - 1977 and Ravens in 2000.