Olympics Latest: US mixed relay team reinstated after appeal

Runners compete in a heat of the 4 x 400-meter mixed relay at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Players from Fiji, right, and Brazil jog out onto the pitch for their women's rugby sevens match at the 2020 Summer Olympics, Friday, July 30, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Ma Long of China reacts after defeating Fan Zhendong of China during the gold medal match of the table tennis men's singles at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo. (AP Photo/Kin Cheung)

Competitors run in the men's 10,000-meters final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo. (AP Photo/David J. Phillip)

Michael Andrew, of United States, comes off the pool after swimming in the men's 200-meter individual medley final at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/David Goldman)

Novak Djokovic, of Serbia, returns to Alexander Zverev, of Germany, during the semifinal round of the men's tennis competition at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Nikola Mektic, right, and Mate Pavic, of Croatia, bump fists during the quarterfinal round of men's doubles tennis competition against Kei Nishikori, and Ben McLachlan, of Japan, at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Nikita Glazkov of the Russian Olympic Committee, left, and Koki Kano of Japan compete in the men's Epee team final at the 2020 Summer Olympics, Friday, July 30, 2021, in Chiba, Japan. (AP Photo/Andrew Medichini)

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)

Caeleb Dressel, of United States, celebrates winning a men's 100-meter butterfly semifinal at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Gregory Bull)

Lukas Krpalek of the Czech Republic reacts after competing against Hisayoshi Harasawa of Japan, not shown, in their men's +100kg semifinal judo match at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Vincent Thian)

Akira Sone of Japan, left, and Idalys Ortiz of Cuba compete during their women's +78kg gold medal judo match at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Vincent Thian)