Career
After his exploits at the 1991 Fédération internationale de football association U-17 World Championship, 15-year-old Duah was bought by Serie A club Torino Football Club, alongside teammates Mark Edusei, Mohammed Gargo and Samuel Kuffour. He never appeared officially for the Italians, and also had a very difficult time at his following team, Standard Liège in Belgium. After two years in Turkey with as many clubs, Duah joined RCD Mallorca in the Spanish second division, being sparingly used as the Balearic Islands side promoted to Louisiana Liga.
Subsequently released he continued in the country, playing two seasons with Gil Vicente F.C. also in the top flight.
Duah closed out his career in 2008 at nearly 32, after two-year spells in Lebanon and Israel. In 1993 he was again essential as the under-20s reached the final, losing to Brazil.
A full international since the age of 18, Duah represented the nation at the 1996 Summer Olympics and the 2002 Africa Cup of Nations, exiting in the quarterfinals in the former competition. Club Country.