Conversation so far:
Who did Pete Maravich play for?
The Utah Jazz began play in the 1979-80 season.
Maravich moved with the team to Salt Lake City.
Did he get injured this year?
his knee problems were worse than ever.
Did his knee problems influence his decision to leave?
his injuries prevented him from practicing much, and new coach Tom Nissalke had a strict rule that players who didn't practice were not allowed to play in games.

Question: Why did he reitre?
Self-contained rewrite: Why did Pete Maravich reitre?