The Brazil Cup is a tournament in which more than 90 Brazilian teams participate. It is played between the months of March and November and the champion team wins a ticket to the Copa Libertadores and the Brazilian Super Cup. The club with the most number of Brazilian Cups is Cruzeiro de Belo Horizonte. 
If you're in Brazil, be sure to catch a Brazil Cup match and check with Football Host for tickets and the full experience with a fan that will show you how passionate Brazilian fans are.