From SI: Behind the Scenes at the 'Fight of the Century'
Before the action gets underway Saturday night at the MGM Grand Garden Arena in Las Vegas, Jamie Foxx kicks things off with the national anthem.
THEY KNOW GREATNESS
Mark Wahlberg, a friend of Pacquiao, gives the boxer an emotional hug Saturday.
GAME, SET, BOXING MATCH
It's a moment to remember for Tennis Hall of Famer Andre Agassi, who joins the sports stars and Hollywood stars outside the ring.