Former Real Madrid general manager Jorge Valdano is of the view that Isco needs to address the Bernabeu fans after snubbing the captain armband from Marcelo against the 3-0 defeat against CSKA Moscow.
Isco was jeered by home fans after he failed to score a goal from after he was presented the opportunity to do so.
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Valdano said, "I understand Isco, in a sport as emotional as this one, it's easy for you to lose your head at some point.
"What seems bad about Isco is that he did not come out at the end of the match to explain himself and ask for forgiveness."
He added: "Madrid has not finished finding the definitive solutions that allow the fans to go to the Bernabéu with tranquillity.”
Isco needs to tender an apology to the Real Madrid fans if he sees his future at the Santiago Bernabeu next season.