In 2016 the number of participants was increased to 86 participants and in 2017 it was increased again to 91 participants .
Under the new format , teams participating in Copa Libertadores again compete in the Copa do Brasil , entering the tournament directly into the Round of 16 .
In 2016 the number of participants was increased to 86 participants and in 2017 Copa do Brasil was increased again to 91 participants .
Under the new format , teams participating in Copa Libertadores again compete in the Copa do Brasil , entering the tournament directly into the Round of 16 .