on sept 1, 1977 a friendly match was played at the queen's park oval, in port of spain, trinidad and tobago between the new york cosmos and the caribbean all-stars, a selection of international football players of the caribbean football union. olmberg was selected to captain the team, which included players such as arsène auguste, hugh bell, leroy spann, ernst jean joseph, orville edwards and jose sabin. the new york cosmos were captained by pelé, and fielded players such as carlos alberto, franz beckenbauer, giorgio chinaglia, rildo and werner roth. the match ended in a 5–2 win for the cosmos with chinaglia, topić and pelé scoring for the visitors. olmberg played the full match, which saw trinidadians' spann and llewellyn scoring for the caribbean all-stars.