Brighton light-middle Micky Thomas was disqualified after flooring Tottenham's Joel Ani with a left hook after being ordered to break.
Thomas was disqualified after 1min.55sec of the third round at Streatham.
There were worrying moments as Ani was attended to in the ring but he quickly recovered and announced he wanted a rematch.
Thomas took the ring microphone and apologised to his fans.
Meanwhile, Lewes cruiserweight Brodie Pearmaine recovered from a slow start and some damage to the his eye to outscore Brixton's O'Neal "Big Red" Murray over four rounds at Streatham Referee Davies scored it 39-38 (two rounds to one and one even).
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