Pac Man opens as 3-to-1 favorite over Bam Bam
Pacquiao vs. Rios odds: Manny Pacquiao opened as a 3-to-1 favorite (-400) over Brandon Rios (+300) for their 12-round welterweight showdown at the Venetian Macao Resort Hotel in Macao, China, on Nov. 23, 2013.

