Manny Pacquiao and challenger Juan Manuel Marquez both made the 144-lb catch weight limit on the eve of their bout at the MGM Grand Arena in Las Vegas on Saturday.
Pacquiao was at 143 lbs on the scale, while Marquez weighed 142.
Marquez will challenge Pacquiao for his WBO welterweight title, the third time that both fighters met since 2004.
Pacquiao looked very muscular as usual and in good shape as did Marquez.
On the undercard former world champion Joel Casmayor weighed in a pound over ahead of his clash with the undefeated Tim Bradley
Timothy Bradley 140 vs. Joel Casamayor 141
(WBO jr welterweight championship)
Mike Alvarado 140 vs. Breidis Prescott 140
Luis Cruz 130 vs. Juan Carlos Burgos 129
Jose Benavidez 141 vs. Sammy Santana 140
Dennis Laurente 144 vs. Ayi Bruce 147
Fernando Lumacad 116 vs. Joseph Rios 114
Victor Pasillas 124 vs. Jose Garcia 124
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