Don Cooper, 2005 World Series Coach, Dies at 70

Don Cooper, a pivotal coach for the Chicago White Sox, has died at the age of 70. His family confirmed his passing on September 23, 2026, stating he died peacefully at his home in Brentwood, Tennessee, on September 22, 2026. The cause of death has not been disclosed.

Cooper dedicated 33 seasons to the White Sox organization, serving as the major-league pitching coach for 18 full seasons. He was a vital part of the coaching staff that led the White Sox to win the 2005 World Series, a historic championship that ended the franchise's long title drought.

His MLB playing career began in 1981 with the Minnesota Twins, followed by stints with the Toronto Blue Jays and New York Yankees. Cooper transitioned into coaching with the White Sox in 1988, eventually becoming the major-league pitching coach in July 2002.

The 2005 postseason marked a significant achievement under Cooper's guidance, with pitchers like Mark Buehrle and Jon Garland delivering strong performances. This championship was the team's first since 1917.

Cooper also mentored notable pitchers such as Chris Sale and Philip Humber, who threw a perfect game in 2012. The White Sox organization and former colleagues like Joey Cora and Jermaine Dye have paid tribute to his impact and dedication.