 Alexander played five seasons in the National Basketball Association (NBA), mainly with the Golden State Warriors, from 1991 to 1995.The Warriors traded him to the Toronto Raptors, along with other players, for B. J. Armstrong, in 1995, but he never officially played for the Raptors.Toronto traded him first to the Cleveland Cavaliers (he failed the physical and the trade was rescinded), and eventually to the New York Knicks.