Émerson is nicknamed "The Puma" for his feline movements in midfield.
After playing for Bayer Leverkusen, Émerson moved to Italy, to play in Serie A for AS Roma. With Roma he won a scudetto in 2000-01 season and a Super Copa Italiana in 2001. He played for Roma until 2004, when he moved to Juventus with his coach Fabio Capello. Émerson won two titles, which were later nullified because of a match-fixing scandal. After Juventus' relegation to Italian Serie - B, Émerson moved to Real Madrid on 19 July 2006, again following Capello. However, due to the declining relationship between Émerson and Capello and Émerson's poor performances for Real Madrid, Émerson in January, 2007 declared his desire to return to Juventus, where he is rumoured to be willing to take a pay cut.However, by May his performances had picked up considerably, along with a great improvement in the team's results, and on May 12 2007 he declared his intention to remain with Real.But in his conversation with the radio program "El Larguero", president of Real Madrid, Ramon Calderon said that Emerson will leave Real Madrid this summer along with the Italian Striker, Antonio Cassano for thechnical resons.
Émerson was a late replacement for Romario at the 1998 World Cup, and then suffered a reversal four years later. The original captain of Brazil's 2002 World Cup team, Émerson dislocated his shoulder in training before the first game;Cafu replaced him as captain and Brazil went on to win the cup.