Preview: Gremio vs. Operario Ferroviario - prediction, team news, lineups
![Preview: Gremio vs. Operario Ferroviario - prediction, team news, lineups](https://sm.imgix.net/23/28/renato-gaucho.jpg)
Sports Mole previews Sunday's Copa do Brasil clash between Gremio and Operario Ferroviario, including predictions, team news and possible lineups.
Sports Mole previews Sunday's Copa do Brasil clash between Gremio and Operario Ferroviario, including predictions, team news and possible lineups.