Conversation so far:
What was unique about Joe Greene's attitude?
ferocious and intimidating.
Did he intimidate other players?
He instilled fear in opponents with the intensity of his play.
Who did he play for?
Pittsburgh.
Did his teams do well?
CANNOTANSWER.

Question: What else should I know about his playing style?
Self-contained rewrite: Aside from Greene's ferocious and intimidating attitude, what else should I know about Greene's playing style