What did Grayson do that totally amazed Maniac?

Grayson amazed Maniac by sharing his knowledge of Baseball and his genuine passion for the game. He not only recognized Maniac's talent but also took the time to teach him about baseball fundamentals, showcasing a deep understanding of the sport. Additionally, Grayson's kindness and willingness to connect with Maniac on a personal level left a lasting impression, demonstrating the power of friendship and mentorship.