Originally Posted by wukkadb
You really need to keep your hands up. If you watch your right hand when you're throwing a left jab or left punch it automatically drops leaving you open for a counter hook or straight. Make sure to keep your hands up, and pivot with your hips when throwing those punches; a lot of them looked sort of like arm punches.
Gotta agree with the arm punching comment, you need to use more body torque on your punches to get even more power.