When he made his debut against Portsmouth in April 1950 he was at the time the youngest player to start in a League match for United at 16 years and 105 days.
In eight seasons at United, he made 95 appearances in all competitions and was a member of the 1952 and 1956 title-winning sides, although he never scored a goal for them.
[5] He left the club for Grimsby Town in 1957,[6] but returned to the First Division to sign for Nottingham Forest a year later, and helped them win the FA Cup in 1959.
After Billy Gray's death on 11 April 2011, Whitefoot became the only surviving member of the 1959 FA Cup winning team.
However, seven of the United players who qualified for a championship medal that season lost their lives as a result of the Munich air disaster on 6 February 1958, including Eddie Colman, the player who ousted Whitefoot as the club's regular right-half during that season.