What player, also known by his nickname Dr. Dunkenstein, retired following the 1990-91 Utah Jazz season?
1990–91 Utah Jazz season:  Following the season, Darrell Griffith retired. Darrell Griffith: Darrell Steven Griffith (born June 16, 1958), also known by his nickname Dr. Dunkenstein, is a retired American basketball player who spent his entire professional career with the Utah Jazz of the National Basketball Association.
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