Oliver Miller, a 6-9 forward/center, helped lead the Arkansas Razorbacks to the 1990 Final Four and the Phoenix Suns to the 1993 NBA Finals.

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 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.”

Phoenix Suns analyst Eddie Johnson posted on social media that former Suns big man Oliver Miller, nicknamed "The Big O," died Wednesday at 54.

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.

A star at Arkansas whose NBA career included helping the Suns to the 1993 Finals, Miller had an unusual physique for a basketball player that belied impressive athleticism and feel for the game.

Former NBA center Oliver Miller died at the age of 54, the Phoenix Suns announced on Wednesday. Eddie Johnson, a former NBAer and the longtime TV analyst for the Suns, initially revealed the news via social media post.

Oliver Miller, a big man who played for six teams in an NBA career that spanned nine seasons, has died, the National Basketball Retired Players Association confirmed Wednesday. He was 54 years old. Phoenix Suns broadcaster Eddie Johnson first reported Miller's death.