In one novel, a man who participates in this activity, Roland Agni, spikes cereal bowls with an atomic substance. A participant in this activity humbles Gus when he pulls a dead herring from a character's mouth. A participant in this activity named Gil Gamesh (15[1])goes on an anti-Communist witch hunt in a novel partly centered (15[1])on Port Ruppert. In a novel, a character participating in this activity gets a piece of glass stuck in his (*) eye, prompting Danny Saunders to apologize to Reuven Malter. A professional in this activity is shot with a silver bullet by Harriet Byrd. This activity, which opens Chaim Potok's The Chosen, is managed by Pop Fisher in a novel in which a character cherishes his Wonderboy. For 10 points, name this sport that Roy Hobbs plays in Bernard Malamud's The Natural. ■END■ (10[1]0[2])