The protest is part of the "Common Sense Football Club" movement created by some of the country's top players earlier this year. The movement debuted a few weeks ago with players from both teams huddling at midfield before every match that day.
"We want the CBF to know that we want more answers and more action to improve our football," said Corinthians defender Paulo Andre, one of the movement's leaders, along with former Brazil and Fenerbahce midfielder Alex and veteran Sao Paulo goalkeeper Rogerio Ceni.
On Wednesday, players entered the field carrying a banner reading "For a better football for everyone." Another read: "CBF friends, where's the common sense?"
"It's important we have better championships, better football in general," Vasco da Gama right back Fagner said.
The players have joined forces to try to improve a football calendar that has been notoriously long and unforgiving. Their demands include adequate vacation time, increased preseason periods and more player participation in major decisions. They also want punishment for teams that don't play salaries on time.
The Brazilian league is one of the few leagues in the world which doesn't stop every time the national team plays. This weekend, for example, league matches will be played even though Brazil will be playing Honduras in a friendly at Miami.
Players met with the Brazilian federation a few weeks ago and were initially told that officials would pay attention to their demands, but decided to keep protesting after little was done after the meeting.
Officials say changes won't likely happen until 2015, blaming the World Cup for a shorter season next year.
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