With Jose Mourinho tipped to go back to Real Madrid, Sergio Ramos has called for respect to be shown towards Santiago Solari.
A muscle injury is likely to keep Marco Asensio out of Real Madrid's showdown with Al Ain in the United Arab Emirates on Sunday.
Isco has had a difficult time since Santiago Solari became Real Madrid coach, but Spain boss Luis Enrique played down the situation.
Isco has been struggling for form and game time at Real Madrid under Santiago Solari, but the Argentine "loves" him.
River Plate's Enzo Perez failed from 12 yards to send Al Ain through to the Club World Cup final after the last-four clash had ended 2-2.
Es Tunis had two men sent off late on against Guadalajara but won 6-5 on penalties in the fifth-placed play-off at the Club World Cup.
Jose Mourinho was sacked by Manchester United on Tuesday, but Marcelo at Real Madrid still holds him in high regard.
Al Ain booked their place in the semi-finals of the Club World Cup following a 3-0 win over ES Tunis, setting up a clash with River Plate.
Real Madrid will face Kashima Antlers in the FIFA Club World Cup semi-finals after the AFC Champions League winners beat Guadalajara.
Team Wellington took a three-goal lead against Al Ain, but were ultimately beaten as the UAE Pro League champions prevailed on penalties.