[1] He was the number-one contender in early 1964 and beat top contenders Zora Folley, Light Heavyweight Champion Bob Foster, Middleweight World Champion Bobo Olson and World Heavyweight title challengers Pete Rademacher and Tom McNeeley in his career.
[4] Doug "Pugilism" Jones started off his career successfully with 19 consecutive wins against mostly lightly regarded opponents but did defeat ex-Middleweight champion Bobo Olson with an impressive knockout in the 6th Round and Olympic Gold Medalist Pete Rademacher by Knockout in the 5th Round, he was the number one light heavyweight contender and an intimidating 19–0 when he fought number two heavyweight contender Eddie Machen and lost by Unanimous decision.
Against number two contender Cassius Clay he fought his best-known fight in March 1963, in which he lost a 10-round decision in front of a sold-out crowd in Madison Square Garden.
In 1965 he fought four fights against Prentice Snipes, Harvey C. Jones, Chip Johnson and Archie McBride which he won by 2nd, 4th, 3rd and 5th round knockouts.
In 1966 he beat fringe contender Lou Bailey by 6th round knockout to set up a WBA heavyweight title fight versus champion Ernie Terrell.
He then fought future undisputed heavyweight champion Joe Frazier who overwhelmed Jones and knocked him out in the sixth round.