Manny Pacquiao and Shane Mosley arrived at the MGM Grand in Las Vegas this afternoon as they prepare for their clash on Showtime pay-per-view this Saturday. Reports from the Grand are that there were hundreds of people on hand for the arrival of the two top welterweights. Scott Christ of Bad Left Hook gives details of the crowd reactions to the fighter arrivals:

The 39-year-old Shane Mosley arrived first at about 12:20pm local time in Vegas, greeted with boos from Pacquiao fans and some support, of course, from the Mosley rooters in attendance. There did seem to be a section of plants who kept saying in unison, "And the NEEEEEW! Welterweight champion of the world! Sugar! Shane! Mosley!" It didn't exactly come off as spontaneous by the third time they went into the routine.

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Pacquiao arrived at about 1:00 local time in Las Vegas, and received a loud reaction from the fans in attendance, and found himself immediately mobbed by international reporters. Pacquiao did his usual skirting around the questions asked of him, expressing great respect for Shane Mosley and the upcoming fight. That's Manny's par for the course, so the lack of great sound bytes should be no surprise.

The two men will take part in the official fight press conference tomorrow at 3:30 p.m. ET.