Lanus defender Maxi Velazquez suffered a nasty collision with the post in his side's 1-1 draw at Zulia in the Copa Libertadores.
Ugly scenes marred the end of the Copa Libertadores match as a mass brawl broke out following the final whistle.
"We hope CONMEBOL [South American Football Confederation] will take action," Palmeiras president Mauricio Galiotte said.
Juan Fernando Quintero was once hailed as the future of Colombian football. He may still be.
The constant sale of South America's best players to European super-clubs have really hurt this season's edition of the Copa Libertadores.
Fred is in fine form, but a recall would surely make little sense. Brazil, after all, have no short-term needs and can afford to focus on Russia 2018.