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.
What else should I know about his playing style?
In his early years with the Steelers, Greene was at times uncontrollable, and often let his temper get the best of him.

Question: Did he get in trouble for his temper?
Self-contained rewrite: Did Greene get in trouble for his temper?