Fighters have moved up in weight before , but Manny Pacquiao 's performance was questioned , not because of any previous suspicious acts , but .
Manny Pacquiao was the only 7 - division Manny Pacquiao   in the history of boxing .
Fighters have moved up in weight before , but Manny Pacquiao 's performance was questioned , not because of any previous suspicious acts , but because he was the only 7 - division title holder in the history of boxing .