The USA men's team thought they had seen last-16 defeats for Raushee Warren and Errol Spence and their hopes of a Boxing medal end on Friday night, but Spence was later reinstated after an appeal.
Terrell Gausha and Jose Ramirez both fell to defeat as the USA were left with just two men still standing in the Olympic Boxing competition after suffering their sixth and seventh consecutive defeats at ExCeL tonight.
Vasyl Lomachenko showed the skills that have seen him routinely highlighted as the best amateur boxer in the world as he got his quest for a second Olympic Games title under way with victory over the Dominican Republic's Wellington Romero.
Anthony Ogogo produced arguably the greatest performance of his career to defeat Ukraine's reigning world champion Ievgen Khytrov via a nail-biting judges' decision to move within one more win of a Boxing medal.
The Boxing action continued in the ring today but USA teenager Joseph Diaz will not feature in the latter stages following his 21-15 defeat to Cuba's Lazaro Alvarez Estrada in the second round of the Bantam Weight division.
Kazakhstan's Daniyar Yeleussinov proved too strong for US Marine Jamel Herring as the Boxing competition continued at ExCeL with preliminary bouts in the Light Welter Weight division.
Robeisy Ramirez Carrazana produced a typically classy performance as Cuba marked their return to the Olympic Boxing ring intent on making up for their intense disappointment in Beijing.
Ihab Almatbouli made history as Jordan's first Olympic boxer at ExCeL on Day 3 and marked the occasion by marching into the last 16 of the Light Heavy Weight division with a powerful 19-7 win over Nigeria's Lukmon Lawal.