LAS VEGAS, NV - MAY 06: (L-R) Boxers Manny Pacquiao of the Philippines and Shane Mosley pose after the weigh-in for their WBO welterweight title fight at MGM Grand Garden Arena on May 6, 2011 in Las Vegas, Nevada. Pacquiao will defend his WBO welterweight title against Mosley on May 7, 2011 in Las Vegas (Photo by Chris Trotman/Getty Images)
The pound-for-pound greatest boxer in the world, Manny Pacquiao, tipped the scales at 145-pounds while his opponent, Shane Mosley, came in at 147-pounds.
Their WBO welterweight title fight will take place tomorrow night, Saturday, May 7, 2011, from the MGM Grand Garden Arena in Las Vegas, Nevada.
Complete photo gallery after the jump.