The United States' Keyshawn Davis celebrates after winning a men's lightweight 63-kg quarterfinal boxing match against Russian Olympic Committee's Gabil Mamedov at the 2020 Summer Olympics, Tuesday, Aug. 3, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)

The United States' Duke Ragan celebrates after winning his fight against Ghana's Samuel Takyi for their men's featherweight 57-kg semifinal boxing match at the 2020 Summer Olympics, Tuesday, Aug. 3, 2021, in Tokyo, Japan. (AP Photo/Themba Hadebe)

Richard Torrez Jr., of the United States, right, lands a shot to the face of Kamshybek Kunkabayev, of Kazakhstan, during their super heavy weight +91kg semifinal boxing match at the 2020 Summer Olympics, Wednesday, Aug. 4, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)