2011 Campeonato Brasileiro Série A
The 2011 Campeonato Brasileiro Série A was the 55th edition of the Campeonato Brasileiro Série A, the top-level of professional football in Brazil. It began on May 21 and was scheduled to end on December 4. Fluminense comes in as the defending champion having won the 2010 season.
Format
For the ninth consecutive season, the tournament will be played in a double round-robin system. The team with most points will be declared the champion. The bottom-four teams will be relegated for the following season.International qualification
The Série A will serve as a qualifier to CONMEBOL's 2012 international tournaments. The top-two teams in the standings will qualify to the Second Stage of the 2012 Copa Libertadores, while the next third and fourth place in the standings will qualify to the First Stage. The next eight best teams in the standings will earn berths to the Second Stage of the 2012 Copa Sudamericana.Team information
, Guarani, Goiás and Grêmio Prudente were relegated to the 2011 Campeonato Brasileiro Série B after finishing in the bottom four spots of the table at the end of the 2010 season. Goiás were relegated to the Série B after eleven seasons of continuous membership in the top football league of Brazil, while Vitória ended a three-year tenure in Série A and Grêmio Prudente ended a two-year appearance. Guarani made their immediate return to the second level.The four relegated teams were replaced by four 2010 Série B sides. Champions Coritiba, made their immediate return to Série A, runners-up Figueirense, who returned after two years, third placed Bahia, who returned to the top flight after seven seasons at lower levels, and fourth placed América Mineiro, who returned to the league for the first time in eight years.
| Team | Home city | Stadium | Capacity |
| América | Belo Horizonte | Arena do Jacaré Parque do Sabiá ' Morenão ' | 18,000 50,000 45,000 |
| Atlético Goianiense | Goiânia | Serra Dourada | 50,049 |
| Atlético Mineiro | Belo Horizonte | Arena do Jacaré Ipatingão ' | 18,000 20,500 |
| Atlético Paranaense | Curitiba | Arena da Baixada | 28,237 |
| Avaí | Florianópolis | Ressacada | 19,000 |
| Bahia | Salvador | Pituaçu | 31,677 |
| Botafogo | Rio de Janeiro | Engenhão São Januário ' Raulino de Oliveira ' | 44,000 22,150 20,255 |
| Ceará | Fortaleza | Presidente Vargas | 20,600 |
| Corinthians | São Paulo | Pacaembu Fonte Luminosa ' | 37,952 20,287 |
| Coritiba | Curitiba | Couto Pereira | 38,000 |
| Cruzeiro | Belo Horizonte | Arena do Jacaré Parque do Sabiá ' Ipatingão ' | 18,000 50,000 20,500 |
| Figueirense | Florianópolis | Orlando Scarpelli | 19,069 |
| Flamengo | Rio de Janeiro | Engenhão Moacyrzão ' | 44,000 15,000 |
| Fluminense | Rio de Janeiro | Engenhão Raulino de Oliveira ' São Januário ' | 44,000 20,255 22,150 |
| Grêmio | Porto Alegre | Olímpico | 45,000 |
| Internacional | Porto Alegre | Beira-Rio | 56,000 |
| Palmeiras | São Paulo | Canindé ' Pacaembu ' Prudentão ' Teixeirão ' Arena Barueri ' | 21,004 37,952 44,414 32,936 31,452 |
| Santos | Santos | Vila Belmiro Pacaembu ' | 21,256 37,952 |
| São Paulo | São Paulo | Morumbi Arena Barueri ' Vail Chaves ' | 67,428 31,452 19,900 |
| Vasco da Gama | Rio de Janeiro | São Januário Engenhão ' | 22,150 44,000 |
Personnel and kits
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.| Team | Manager1 | Captain | Kit manufacturer | Shirt main sponsor |
| América | :pt:Givanildo Oliveira|Givanildo Oliveira |  Gabriel Santos | :pt:Kanxa|Kanxa | Fiat |
| Atlético Goianiense | :pt:Hélio dos Anjos|Hélio dos Anjos | Márcio | Super Bolla | SKY |
| Atlético Mineiro | Cuca | Réver | Topper | :pt:Banco BMG|BMG Bank |
| Atlético Paranaense | Antônio Lopes | Paulo Baier | Umbro | Philco |
| Avaí | Toninho Cecílio | William | Fanatic | :pt:Intelbras|Intelbras |
| Bahia | Joel Santana | Titi | Lotto | OAS |
| Botafogo | Caio Júnior |  Sebastián Abreu | Fila | Hypermarcas |
| Ceará | :pt:Dimas Filgueiras|Dimas Filgueiras | Fabrício | Penalty | Hypermarcas |
| Corinthians | Tite | Alessandro | Nike | Hypermarcas |
| Coritiba | :pt:Marcelo Oliveira|Marcelo Oliveira | Pereira | Lotto | :pt:Banco BMG|BMG Bank |
| Cruzeiro | Vágner Mancini | Fábio | Reebok | :pt:Banco BMG|BMG Bank |
| Figueirense | Jorginho | João Paulo | Fila | :pt:Taschibra|Taschibra |
| Flamengo | Vanderlei Luxemburgo | Ronaldinho | Olympikus | Procter & Gamble |
| Fluminense | Abel Braga | Fred | Adidas | Unimed |
| Grêmio | Celso Roth | Fábio Rochemback | Topper | Banrisul |
| Internacional | Dorival Júnior | Bolívar | Reebok | Banrisul |
| Palmeiras | Luiz Felipe Scolari | Marcos Assunção | Adidas | Fiat |
| Santos | Muricy Ramalho | Edu Dracena | Umbro | :pt:Banco BMG|BMG Bank |
| São Paulo | Émerson Leão | Rogério Ceni | Reebok | :pt:Banco BMG|BMG Bank |
| Vasco da Gama | Ricardo Gomes/Cristóvão Borges | Juninho Pernambucano | Penalty | Eletrobras |
- 1 According to current revision League managers
Managerial changes