Palmeiras strengthened their hopes of Serie A survival, while third-placed Gremio were held to a scoreless draw at home on Saturday.
Two goals from Argentinean forward Hernan Barcos earned Palmeiras a 2-0 victory at home to Cruzeiro.
The win was Palmeiras' second in a row and saw them climb to 17th, four points behind Bahia and league safety.
Bahia clinched a point from their trip to Sao Paulo with a 1-1 draw against Corinthians.
Douglas opened the scoring with a penalty in the 12th minute before Fahel levelled proceedings on 33 minutes and neither side could find a decisive goal.
In Porto Alegre, Gremio and Coritiba played out a 0-0 stalemate.
Gremio remain third on 59 points, one point behind second-placed Atletico Mineiro and 10 adrift of leaders Fluminense.