My fists get clenched, my muscles get tight, I'm getting hot.

Give up; do not grasp in clenched fists.  

He seemed kind of ticked-off. His fists were doubled, clenched down by his side.

Thrashing sounds shred the air not once or twice, but thrice. Grinding airwaves into fine lines for spine numbing absorption. Clenched fists activate your glazed rushing eyes. The feeling you love and need, ripples in and floods your mind. These crushed anthems are your way of life, the only way to feed your ravished soul...

I always tell the players to keep their neck muscles tight or firm them up so you don't strain their neck. The main point is that you always want to attack the ball and not let it attack you. You don't want the ball to hit you. You want to hit the ball. You have to be somewhat aggressive.

It did get very tight.