Brett Brown reunites with Gregg Popovich, returns to Spurs as assistant coach | CBS Sports Headlines Brett Brown reunites with Gregg Popovich, returns to Spurs as assistant coach The former 76ers head coach was previously an assistant under Popovich for 11 seasons ESN FeedsThis post was originally published on this … Continue reading Brett Brown reunites with Gregg Popovich, returns to Spurs as assistant coach