O2 Arena, London - Derek Chisora (32-9, 23 KOs) stopped Olympic bronze medal winner David Price (25-7, 2KOs) in the fourth of a crossroads heavyweight contest. (photos by Mark Robinson)

Chisora came right in one Price and was trying to unload with big punches on the inside. Chisora was winging big punches and Price was looking to catch him coming in. Price was taking punches well and looking to use his jab.

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At the start of the third, Chisora came out firing with both hands. Price let loose with some combinations of his own. Near the end of the round, Chisora let loose with a big combination of shots that had Price in a lot of trouble as the bell rang.

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During the fourth, Chisora landed a short hook that sent Price down his knees. Price seemed ready to go and the referee was going to let him continue, but his corner threw in the towel - ending the contest.