Ronaldinho was among the scorers as Flamengo eased to a 4-0 win over Avai in the first game of the Campeonato.
Dario Bottinelli opened the scoring in the 25th minute before former Barcelona and AC Milan forward Ronaldinho doubled the lead in the 63rd minute.
Thiago Neves effectively sealed victory six minutes later with Diego Mauricio
adding a fourth three minutes from time.
Magno Alves scored twice as Atletico Mineiro opened their account with a 3-0
win over Atletico Paranaense, Francisco Toro getting the other goal.
Vasco da Gama scored three late goals in 12 minutes as they won 3-1 at Ceara.
Cleber Goiano opened the scoring midway through the second half for the hosts before Bernardo levelled in the 77th minute.
The same player then put the visitors ahead two minutes later with Rodrigues Jeferson adding a third a minute from time.
Santos and Internacional shared a 1-1 draw. Carneiro Keirrison put Santos ahead before Ze Roberto levelled.
