Boca Juniors president Daniel Angelici has said he will travel to China in August to negotiate a buy-back for Shanghai Shenhua player Carlos Tevez.
An Argentine fan has been declared brain dead after he was chased down the terraces of a stadium and allegedly thrown from the bleachers.
Juventus have confirmed that Rodrigo Bentancur is having a medical ahead of a move from Boca Juniors.
"[In South America] we mark differently. Sergio Ramos comes running in and nobody touches him. Here he would not be able to get going," Riquelme said.
The Argentina FA and the players' union on Wednesday reached an preliminary agreement that ends the players' strike.
A players' strike delayed the start of the Argentina football season with two first division games postponed and no sign that matches will go ahead.