weights from Las Vegas:
(Champion) Manny Pacquiao (143) vs. Juan Manuel Marquez (142)
Timothy Bradley (140) vs. Joel Casamayor (141*)
Juan Carlos Burgos (129) vs. Luis Cruz (130)
Breidis Prescott (140) vs. Mike Alvarado (140)
*Casamayor missed weight and must re-weigh in.
