LAS VEGAS, Nevada (AFP) — Just listening to the crowd, you would have sworn it was Manchester United playing at Old Trafford. Instead, it was Manchester's Ricky Hatton drawing cheers in a song-filled weigh-in for the ages here Friday ahead of the undefeated Englishman's welterweight showdown Saturday with unbeaten US champion Floyd Mayweather. The boisterous atmosphere came from a rowdy crowd of 5,930 that jammed the MGM Grand Arena for hours to watch a weigh-in, nearly all of them cheering for Hatton and booing Mayweather, the defending World Boxing Council champion. "Fatty's going to get you," the British fans roared...