Conversation so far:
Who did Pete Maravich play for around 1977?
Pete Maravich played for the New Orleans Jazz.
Did Pete Maravich get injured this year?
Injuries to both knees forced Pete Maravich to miss 32 games during the 1977–78 season.
Did Pete Maravich's knee problems influence his decision to leave?
Realizing that his knee problems would never go away, Pete Maravich retired at the end of the 1980 season.

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