Jul 23, 2011 | CNN
Five things we learned from Amir Khan's fifth-round knockout of Zab Judah to unify the IBF and WBA junior welterweight titles Saturday at the Mandalay Bay Events Center in Las Vegas... 1. Amir Khan moved to the head of the class in boxing's deepest division .
Crash Course: a closer look at the Khan-Judah bout
Everything you need to know about this weekend's big fight. Overview Amir Khan goes up against Zab Judah on Saturday night in Las Vegas.
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