Can Pacquiao finally get first KO in five years against Algieri?

On Sunday, Filipino ring icon Manny Pacquiao will defend his World Boxing Organization (WBO) welterweight title against Chris Algieri at Cotai Arena in Macau. Is Algieri an easy opponent for Pacquiao, as many observers believe? Will the unbeaten American fighter give "Pac-man" a run for his money? And could Pacquiao finally get the elusive knockout win after five long years?

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