Big day for Dressel, Chinese in pool, Lee in gymnastics

Slovenia's Luka Doncic (77) drives to the against Japan's Yuta Watanabe (12), left, during men's basketball preliminary round game at the 2020 Summer Olympics, Thursday, July 29, 2021, in Saitama, Japan. (AP Photo/Eric Gay)

China's women's 4x200-meter freestyle relay team, from left, Yang Junxuan, Tang Muhan, Zhang Yifan and Li Bingjie pose with their gold medals at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Sarah Sponcil, right, of the United States, stretches out for the ball as teammate Kelly Claes looks on during a women's beach volleyball match against Kenya at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Petros Giannakouris)

FILE - In this June 21, 2021, file photo, Sam Kendricks competes during the finals of the men's pole vault at the U.S. Olympic Track and Field Trials in Eugene, Ore. American world-champion pole vaulter Kendricks will miss the Olympics after testing positive for COVID-19. (AP Photo/Charlie Riedel, File)

From left, United States' gymnast Grace McCallum, Jordan Chiles, Simone Biles and MyKayla Skinner celebrate after teammate Sunisa Lee won the gold medal for the artistic gymnastics women's all-around final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Ashley Landis)

Sunisa Lee, of the United States, performs on the floor during the artistic gymnastics women's all-around final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Morry Gash)

Caeleb Dressel, of the United States, poses with the gold medal after winning the men's 100-meter freestyle final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)

Novak Djokovic, of Serbia, celebrates after defeating Kei Nishikori, of Japan, during the quarterfinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Sunisa Lee, of the United States, reacts after getting her score on the floor performs on the during the artistic gymnastics women's all-around final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo. (AP Photo/Morry Gash)

Caeleb Dressel of the United States celebrates winning the men's 100-meter freestyle final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Caeleb Dressel of the United States starts in the men's 100-meter freestyle final at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Japan' Rui Hachimura (8) drives to the basket against Slovenia's Mike Tobey (10) during a men's basketball preliminary round game at the 2020 Summer Olympics, Sunday, July 25, 2021, in Saitama, Japan. (Gregory Shamus/Pool Photo via AP)

Austria's Sepp Straka plays a shot from the second fairway during the first round of the men's golf event at the 2020 Summer Olympics on Wednesday, July 28, 2021, at the Kasumigaseki Country Club in Kawagoe, Japan. (AP Photo/Matt York)