Complex sentence: The Dodgers retired his number two days after his death, prior to Game 1 of the 1978 World Series, making him the only non-Hall-of-Famer to have his number retired by the Dodgers.
Split into simpler sentences: The Dodgers retired his number two days after his death, prior to Game 1 of the 1978 World Series. He is the only non-Hall-of-Famer to have his number retired by the Dodgers.