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 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.

Oliver Miller, the former NBA big man and a member of the Phoenix Suns team that reached the NBA Finals in 1993, has died at the age of 54. The NBA Players Union announced the news on X, writing: “The basketball community has lost a Legend. Our hearts are with the family, friends and fans of Oliver Miller.”