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Valdeir "Badú" Vieira (born 11 July 1944 in Marília, São Paulo) is a Brazilian football manager.
Career
Playing career
Like many Brazilian players in the 1960s, Badu was discovered in the ever-expanding futsal scene. It is from the indoors that Vieira gets his nickname "Badu", which describes a specific way of scoring a goal. He signed his first contract as a professional with the 2nd division Dracena F.C. at age 17. Two years later he played as attacker in the 1st division with CE Aymoré – São Leopoldo, where Luiz Felipe Scolari was just starting his career as a defender in the youth team. Badu was later the first Brazilian to play respectively for the clubs: Central Español (Uruguay), Hibernians F.C. (Malta) and Croissant Club Sigois (Algeria). Plagued by injuries and more interested in studying the sciences of sports, he finished his career playing non-league football in Germany.
Coaching career
Badu has managed several clubs and national football teams. He managed Costa Rica during 1996 and Oman from 1998 to 1999. He managed Iran during their successful qualification for the 1998 FIFA World Cup. On 28 December 2013, Vieira signed with Japan's J2 League side Kyoto Sanga FC, which he managed until 18 June 2014.