Sao Paulo have won the Brazilian championship for the second year running.
Sao Paulo clinched a record fifth title after beating America-Natal 3-0 at the Morumbi stadium.
“The best, most organised team won the championship, we were far superior,” said Sao Paulo coach Muricy Ramalho.
Sao Paulo have 73 points from 34 games, 15 ahead of second-placed Santos who won 2-1 at Nautico.
It was the club’s fourth major title in three years after they also won the South American Libertadores Cup and Club World championship in 2005.
While Sao Paulo celebrated, however, there were violent scenes following Atletico Paranaense’s 2-0 win over Gremio.
Gremio midfielder Tcheco was sent off for persistent dissent, and the match ended with players from both sides trying to fight each other.
Witnesses said there was further trouble afterwards when a Gremio player aimed a karate kick at Atletico midfielder Claiton as he was giving an interview outside the dressing-room.
That led to a fight between players which ended with Atletico officials threatening to go to the police.
“It was a lamentable episode,” Atletico general manager Joao Augusto Fleury said.
Sao Paulo won the Brazilian title in 1977, 1986, 1991 and 2006.