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.

Miller, affectionately known as "The Big O," played in parts of three seasons during two stints in Toronto from 1995 to 1998. The six-foot-nine, 280-pound centre from Fort Worth, Texas, was drafted in the first round,

Oliver Miller, the towering center who led the Arkansas Razorbacks to the Final Four before becoming an NBA star, has died. He was 54.