LOS ANGELES -- Manny Pacquiao could return to action in September , in a card to be held during Mexico 's Independence Day weekend .
All signs point to a fifth fight against Mexico Juan Manuel Marquez .
LOS ANGELES -- Manny Pacquiao could return to action in September , in a card to be held during Mexico 's Independence Day weekend , and all signs point to a fifth fight against Mexican Juan Manuel Marquez .