Many of his foul issues were because his bball instincts were very rusty and he knew he only had a few minutes to impact the game! He hadn't played high level ball for extended periods yet so he was often out of position, slow to react, recovering from too great a distance, over-helping, or overly aggressive. Reps in games, practice, and analyzing film will help correct these. Being able to trust your lower body, increasing strength/conditioning, and knowing you are important to team success will reduce the silly ones too. EC and JWash should be very much improved defenders this season. Simply getting older and figuring out the speed of the game will do a lot!