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.
Are there any other interesting aspects about Joe Frazier?
Once, Joe Frazier battled Jerry Quarry in Madison Square Garden.

Question: did he win?
Self-contained rewrite: did Joe Frazier win his fight against Jerry Quarry?