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Manny Pacquiao's a guy who thrives on chaos, but even he didn't enjoy this morning's wild ride in Las Vegas just hours before his showdown with Shane Mosley.

"Sources close to Pacquiao tell TMZ he was traveling in a fleet of cars after church today, when one of Manny's security vehicles collided with the car carrying Manny.

We're told Pacquiao is back at his hotel now, where his trainer, Freddie Roach, checked him out. According to our source, Pacquiao is just a little shaken up … but he's okay to go for tonight."

The L.A. Times said a Pacman publicist called the accident a tap.

Las Vegas is fired up for the Pacquiao-Mosley fight. Over 6,000 attended the weigh-in at the MGM Grand Garden arena, with several hundred more fans turned away.

Pacman can't go anywhere without being noticed. Freddie Roach told ESPN1100 in Las Vegas that Pacquiao went for a secret run on Thursday at a track on the campus of UNLV and a few hundred fans showed up.

Yahoo! Sports' Martin Rogers tracked down this Manny Pacquiao-clone in Las Vegas.

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Allan Manuel, a 23-year-old Filipino from Houston, is about as good as it gets when it comes to look-a-likes. And in the singing department, he may have one-upped the real Pacman. Pacquiao just released a CD last week featuring a collaborative effort with Dan Hill. The Pacquiao CD features seven versions of Hill's 1977 hit "Sometimes When We Touch."

Watch Manuel belt out the love ballad and then check out the real thing.

You can watch the Pacquiao-Mosley pay-per-view right here on Yahoo! Sports.