US star Manuel returns to pool for 50 free after long layoff

Simone Manuel, top, of the United States, swims alongside Emma Mckeon, of Australia, during heat 10 of the women's 50-meter freestyle at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Jeff Roberson)

Simone Manuel, of United States, swims in a women's 50-meter freestyle heat at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Gregory Bull)

Caeleb Dressel, of United States, celebrates wining a men's 50-meter freestyle heat at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Gregory Bull)

Caeleb Dressel, of United States, starts a men's 50-meter freestyle heat at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Gregory Bull)

Emma Mckeon, of Australia, right, celebrates with teammate Cate Campbell after winning the women's 100-meter freestyle final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Jae C. Hong)

Simone Manuel, of United States, finishes a women's 50-meter freestyle heat at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/David Goldman)