Who is Jack Morton from Wanda Hickey's Night of Golden Memories and what is their importance?

Jack Morton, Appears in The Grandstand Passion Play of Delbert and the Bumpus Hounds - Classmate of the narrator and Delbert Bumpus who is struck by the volleyball in the pit of the stomach. He collapses on the floor the color of hot porridge. Delbert Bumpus has a truly mean volleyball serve.