Conversation so far:
What can you tell me about the Patterson vs Johansson fight?
Patterson met Ingemar Johansson in three fights.
How did Floyd Patterson do in the Patterson vs Johansson fight?
Fight one winner was Johansson. Fight two winner was Patterson . Fight three winner was Patterson.
Why was the Patterson vs. Johnsson fight stopped?
The first Patterson vs. Johansson fight was stopped by referee. Fights two and three were won by knockout.

Question: Was he injured?
Self-contained rewrite: Was Floyd Patterson injured in the Patterson vs. Johnsson fight?