Simone Biles, of the United States, watches gymnasts perform at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. Biles says she wasn't in right 'headspace' to compete and withdrew from gymnastics team final to protect herself. (AP Photo/Ashley Landis)

Simone Biles, of the United States, waits to perform on the vault during the artistic gymnastics women's final at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo. The American gymnastics superstar has withdrawn the all-around competition to focus on her mental well-being. (AP Photo/Gregory Bull)

From left, Grace McCallum, Sunisa Lee, Jordan Chiles, Simone Biles, Mykala Skinner, and Jade Carey stand near the floor exercise while training for artistic gymnastics at Ariake Gymnastics Centre venue ahead of the 2020 Summer Olympics, Thursday, July 22, 2021, in Tokyo, Japan. (AP Photo/Ashley Landis)