 That summer he defended his national all-around title at the U.S. National Championships in Hartford.He was selected for the 2010 World Artistic Gymnastics Championships in Rotterdam, where the U.S. team placed fourth, and Horton won the all-around bronze medal.In 2011, Horton won his third American Cup all-around title, and was captain of the U.S. team that won the bronze medal at the 2011 World Artistic Gymnastics Championships.