Dean Meminger

Dean "The Dream" Meminger -- a key member of the 1973 NBA championship NY Knicks team -- died from an overdose of cocaine in his NYC hotel room ... TMZ Sports has learned. As we previously reported, hotel employees discovered an unconscious Meminger in his room on August 23rd -- still wearing his…

Dean "The Dream" Meminger -- who helped the NY Knicks clinch the 1973 NBA title -- was found dead in his hotel room Friday ... wearing his championship ring. Meminger was found unconscious inside his NYC hotel room by staff members after failing to check out. He was pronounced dead on the scene.…