Terence Crawford's five greatest victories ahead of Amir Khan title defence - in pictures

The unbeaten American, 31, defends his WBO welterweight title against Britain's Amir Khan at Madison Square Garden on Saturday

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In 34 fights Terence Crawford has seen his hand raised 34 times, and the American hopes to make that 35 straight wins with victory over Amir Khan in New York on Saturday.

The Omaha native has seen off some big names in his career, but Khan, 32, will arguably be his toughest assignment to date when they lock horns at Madison Square Garden for Crawford's WBO welterweight title belt.