Too many kids go out the first day of try-outs having not prepared, and they wonder why they can't throw straight or catch a grounder. You have to get your body loose and ready before the first try-out. Don't take that brand new glove. Its better to use your old soft mitt until the new on breaks in. Do wear something distinctive , like a yellow t-shirt or a red hat.
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.