Brazil national under-23 football team previously won three silver medals (1984, 1988 and 2012) and two bronze medals (1996, 2008). The Brazilian Olympic team is often coached by the in-charge senior team coach, such as Mário Zagallo in 1996, Vanderlei Luxemburgo in 2000, Dunga in 2008 and Mano Menezes in 2012. Brazil's first participation in the Olympics was in Helsinki, Finland, in 1952. In that year, Brazil reached the quarter-finals, when they were eliminated by West Germany 4–2. In 1960, in Rome, Italy, in 1964 in Tokyo, Japan, in 1968 in Mexico City, Mexico, and in 1972 in Berlin, West Germany, Brazil was eliminated in
Doping at the Olympic Games that were collected at the 2006 Turin Games. In 2014, the Estonian Olympic Committee was notified by the IOC that a retested sample from cross-country skier Kristina Šmigun had tested positive. On 24 October 2016, the World Anti-Doping Agency Athletes' Commission stated that Šmigun, who won two gold medals at the Turin Games, faces a Court of Arbitration for Sport hearing before the end of October. If Šmigun were to be stripped of her gold medals, Kateřina Neumannová of Czech Republic could be elevated to gold in the 7.5 + 7.5 km double pursuit event. Marit Bjørgen of Norway could