 When Team America finished the 1983 season with a 10–20 record, the worst in the NASL, USSF withdrew the team from the league.In 1968, Merrick played three times for the England national under-18 football team at the Junior World Cup Tournament in the South of France against Bulgaria, Russia and the Netherlands

On 8 April 1983, Merrick earned one cap with the U.S. national team in a 2–0 victory over Haiti.He started the game, but subbed out for Erhardt Kapp in the second half.