FILE - In this April 2, 2020, file photo, Phillip Dutton, a medal-winning equestrian on the U.S. Olympic team, smiles after a training session at his farm in West Grove, Pa. Older Olympians will be proving that age is just a number in Tokyo. The oldest member of Team USA headed to Tokyo is Dutton, a 57-year-old equestrian who competes in eventing, a combination of dressage, cross-country and jumping. (AP Photo/Matt Slocum, File)

FILE - In this Aug. 18, 2008, file photo, Carli Loyd, right, of the U.S., vies for the ball with Mizuho Sakaguchi, of Japan, during the Beijing 2008 Olympics women semifinals soccer match in Beijing. Older Olympians will be proving that age is just a number in Tokyo. Lloyd is going to be 39 when she plays for the U.S. women's soccer team, but she's not even the oldest soccer player competing this summer. Formiga, who plays for Brazil, is 43. (AP Photo/Petr David Josek, File)