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LAS VEGAS, NV - FEBRUARY 18: Former football player Jim Brown (R) and wife Monique Brown arrive at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

LAS VEGAS, NV - FEBRUARY 18:  Former football player Jim Brown (R) and wife Monique Brown arrive at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center.  (Photo by Ethan Miller/Getty Images for Keep Memory Alive)