McKenzie represented England and Great Britain throughout his amateur career which culminated in representing Great Britain at the 1976 Olympics in Montreal, Canada.
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Richard Nowakowski (born September 27, 1955 in Sztum, Poland) is a retired boxer from East Germany, who won the silver medal in the men's featherweight division (– 57 kg) at the 1976 Summer Olympics in Montreal, Canada.
Tadija Kačar (born January 5, 1956 in Perućica, near Jajce, Bosnia and Herzegovina) is a retired Bosnian Serb boxer who represented Yugoslavia at the 1976 Summer Olympics in Montréal, Canada.