Conversation so far:
what happened to Joe Frazier in the summer olympics?
In 1964 heavyweight representative Buster Mathis qualified but was injured so Joe Frazier was sent as a replacement.
how was Buster Mathis injured?
He injured his hand.

Question: Are there any other interesting aspects about this article?
Self-contained rewrite: Are there any other interesting aspects about Joe Frazier?