?Marquez needs to train?

A bark that?s equally bad as his bite? Manny Pacquiao kept delivering killer verbal blows at Juan Manuel Marquez, suggesting that Marquez?s six-week head start in training was something the Mexican champion ?badly needed? for their February 26 rematch. Marquez, the featherweight champion of the World Boxing Association and the International Boxing Federation, has been training vigorously since late November for the Pacquiao bout. Pacquiao will begin formal preparations only when he flies to Cali…