Oliver Miller was known as the "The Big O" for his 6-foot-9, 280-pound frame that ballooned to well over 300 pounds during his NBA career.

Oliver Miller, the big man who helped Arkansas reach the Final Four before becoming the No. 22 pick in the 1992 NBA Draft, died Wednesday at 54. Miller, a talented all-around center, spent nine seasons in the NBA, bouncing between five teams.

Oliver J. Miller, a former star athlete at Southwest High School and later a standout at Arkansas and in the NBA, has died. He was 54. Nicknamed “The Big O” because of his 6-foot-9, 300-plus pound body frame, Miller died on Wednesday, March 12, according to longtime Phoenix Suns television analyst Eddie Johnson.