Under-23s: In 2015, played all 90 minutes in the second match of a two-game set with Brazil on Nov. 15... In 2011, Cropper was invited to a November training camp in Germany and notched a shutout in a scrimmage against Azerbaijan on Nov. 11 … Under-20s: Heading into the 2013 FIFA U-20 World Cup, Cropper has posted two shutouts and a 5-3-0 record ... Bothe clean sheets came during the 2013 CONCACAF U-20 Championship - a 1-0 victory against Coasta Rica on Feb. 22 and a 2-0 semifinal win against Cuba on March 1. Cropper also had a noteworthy eight save performace to lead the U.S. to a 3-1 victory against host Portugal on June 14, 2013, in the final primer match heading into the World Cup. In 2012, Cropper played in six matches and posted a shutout. He made his debut with the U-20s in 2010, earning two starts and his first U-20 MNT victory … Under-17s: Cropper is a former member of the U-17 Residency Program.
In August of 2012, Cropper signed with Premier club Southampton after having a successful trial. Cropper signed with Ipswich Town FC in 2010 at the age of 17. Because he was under 18 years old, the first year of his two-year deal was a scholar contract and the second year was a professional contract.