Every good fighter must stay focused inside the ring. An angry and reckless fool is easy prey to other good fighters.
This is hilarious. What's he going to do, punch faster? Maybe it'll work as a short term fix if he's trying to bull someone over. Mayweather will pick him apart if at any point he tries to swing "angrily".
Pacquiao without composure would get sliced to ribbons by a boxer of the class of Mayweather.... `controlled aggression` works better in ANY form of fighting than anger, `anger` is right up there with `self doubt` as a fighters worst enemy.