Herrera left Rangers this summer to join Santos Laguna on a season-long loan.
Glasgow Rangers forward Eduardo Herrera has been linked with a move away from Ibrox.
Rangers manager Pedro Caixinha is reportedly targeting a reunion with his Santos Laguna captain Carlos Izquierdoz.
The revelation comes from a 2014 interview in Portugal from the new Ibrox manager.
The Portuguese coach worked with Crosas at Santos Laguna.
The defender, brought to Santos Laguna by Caixinha, will not be joining his former boss at Rangers.
Diego Buonanotte looks set to join Santos Laguna on a cut-price deal.