Floyd Mayweather Jr. v Marcos Maidana

In This Photo: Amir Khan, Luis Collazo
Amir Khan (L) hits Luis Collazo in the 10th round of their welterweight bout at the MGM Grand Garden Arena on May 3, 2014 in Las Vegas, Nevada. Khan won by unanimous decision.
(May 2, 2014 - Source: Ethan Miller/Getty Images North America) more pics from this album »