Former Houston Rocket Vernon Maxwell is opening up about a wild confrontation he had with Hakeem Olajuwon during halftime of a game back in the day ... saying police drew guns on him after he tried to stab "The Dream" during the heated altercation.
The 2x-NBA champ made the startling revelation on Gilbert Arenas' podcast, "No Chill With Gilbert Arenas" ... where he recalled his encounter with the Hall of Famer which nearly turned fatal.
Maxwell says the crazy incident started as he and Olajuwon walked back to the locker room at halftime.