 Under the Károlyis, Retton soon began to make a name for herself in the U.S., winning the American Cup in 1983 and placing second to Dianne Durham (another Károlyi student) at the US Nationals that same year.Though Retton missed the World Gymnastics Championships in 1983 due to a wrist injury, she won the American Classic in 1983 and 1984, as well as Japan's Chunichi Cup in 1983.After winning her second American Cup, the U.S. Nationals, and the U.S. Olympic Trials in 1984, Retton suffered a knee injury when she was performing a floor routine at a local gymnastics center at this time.