Conversation so far:
Why was John Maulbetsch known as the human bullet?
John Maulbetsch won several nicknames based on his size, running style, and fighting spirit, including the Human Bullet
What position did John Maulbetsch play?
John Maulbetsch played Halfback

Question: What else can you tell me about the human bullet?
Self-contained rewrite: What else can you tell me about the human bullet John Maulbetsch?