Former three division world champion Marco Antonio Barrera gives his takes on the upcoming welterweight showdown between Manny Pacquiao and Brandon Rios, taking place on Saturday night from Macau, China - with HBO Pay-Per-View carrying the fight. Barrera had two fights with Pacquiao and lost both of them. His first meeting with Pacquiao in 2003, was the career defining fight that placed Pacquiao on the map.