Answered November 27th, 2017

Andre Drummond becomes the first Pistons player with at least 20p/20r/5a in a game since Bill Laimbeer in 1988.

Who was the last Pistons player with 20 points, 20 rebounds and 5 assists in a game?
Interpreted as:
Who was the last Pistons player with 20 points, 20 rebounds and 5 assists in a regular season game?