Big Shots of America

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Across
  1. 5. greatest racehorse in history
  2. 6. most popular sport
  3. 7. nicknamed "Kid Blackie," world heavyweight champion
  4. 8. first woman to swim across the English Channel
Down
  1. 1. "The Galloping Ghost"
  2. 2. "king" of the Deadball Era
  3. 3. highest paid baseball player
  4. 4. first to fly nonstop across the Atlantic