Mayweather scaled 146lb - one pound under the welterweight limit - and Pacquiao 145lb at the pre-fight weigh-inMore than 11,500 fans paid $10 (£6.60) a ticket to watch the weigh-in at the MGM Grand, though some tickets changed hands for $800 (£530)Mayweather delivered a defensive masterclass and though the American covered up on the ropes in the fourth round, Pacquiao had little success thereafterThe American was so far ahead on the judges' cards he had time for a spot of showboating in the final round"I knew Manny was going to push me - he had moments but I out-boxed him," said Mayweather after his victoryBriton Amir Khan is on the list of possible next opponents for Mayweather, who confirmed he would fight one more time, in September, before retiringMayweather and Pacquiao split a purse in the region of $230m (£150m) from the fightPacquiao surprised many in the immediate aftermath by saying he felt he had done enough to win the fightA dominant Mayweather was awarded the fight 118-110, 116-112 and 116-112 by the three judgesMulti Grammy Award winner Jamie Foxx sang the American national anthem prior to the fighters entering the ringFive-weight world champion Mayweather added the WBO welterweight title to the WBC and WBA titles he already ownedThe fight attracted a crowd of 16,507 including actors Clint Eastwood and Robert De Niro, singers Sting and Prince, and US tycoon Donald TrumpPacquiao, pictured with trainer Freddie Roach, said a shoulder injury prevented him from fighting at his bestBoth Floyd Mayweather and Manny Pacquiao looked relaxed in the build-up to what was billed as the 'Fight of the Century'Parts of Manila, the capital city of the Philippines, ground to a halt as large crowds gathered to watch free, outdoor broadcasts of the fight