Barcelona have extended an option they have to sign Palmeiras centre-back Yerry Mina until after the World Cup in Russia in 2018.
Neymar has lost his final appeal and will stand trial on corruption charges related to his transfer to Barcelona four years ago.
A dispute over television broadcasting rights saw a match in the Brazilian Campeonato Paranaense on Sunday called off at the last moment.
Vasco da Gama have announced the signing of former Brazil international striker Luis Fabiano from Chinese club Tianjin Quanjian.
Sao Paulo have announced the signing of Argentina international Lucas Pratto from Atletico Mineiro.
Rivaldinho, the son of Brazil legend Rivaldo, has joined Dinamo Bucaresti on a contract that runs until June 2020.