Coaches have an easier time keeping track of players when they stand out. And try to wear the same shirt every time, so they get even more familiar with you. Do bring your best energy to the try-out and stay focused while you are there. Listen carefully when a coach is speaking and nod your head to show that you heard him. Do stay positive .
Baseball is a hard game, and all coaches know that.
The coach is watching how you handle these situations. If you fall apart when things go less than perfectly, he may decide to take another play who won't require so much help keeping his head in the game. Not a good way to make a first impression on a coach. Make sure your parents get you there early. Don't talk too much when you should be listening or just concentrating on the drill.