David Haye and Dereck Chisora sparked outrage when they brawled after the Zimbabwean-born Londoner lost on points to WBC heavyweight champion Vitali Klitschko.
Chisora also spat water at WBA, IBF and WBO champion Wladimir Klitschko in the ring just before the fight against the Ukrainian's brother.
The post-fight brawl led to huge condemnation from across the boxing world, and caused a police investigation.
Haye handed in his licence in October last year when he retired following his embarrassing defeat to Wladimir in Hamburg - a defeat he partly blamed on a broken little toe.
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