Coby Joseph Dietrick (born July 23, 1948) is an American former professional basketball player.A 6'10" forward/center from San José State University, Dietrick played thirteen seasons (1970–1983) of professional basketball in both the American Basketball Association and the National Basketball Association. He spent the majority of his career with the San Antonio Spurs, a team that began in the ABA but joined the NBA after the ABA-NBA merger in 1976. He also played with the NBA's Chicago Bulls.