Born in Leicester, Tony McKenzie made his professional debut in November 1983 with a third-round knockout of Albert Buchanan.
In March 1985 he unsuccessfully fought Tony Laing for the vacant BBBofC Midlands Area light welterweight title, being stopped in the eighth round.
[2][3][4] In June 1991 he knocked out New Zealand champion Alberto MaChong in a Commonwealth title eliminator and in February 1992 faced the unbeaten Andy Holligan for both the Commonwealth and British titles; Holligan stopped McKenzie in the third round.
[5][6] McKenzie was out of the ring for the rest of the year but returned in January 1993 in a British title eliminator against Michael Driscoll.
He had one further fight, a rematch against Driscoll in which he was knocked out in the fifth round, before retiring from boxing.