Real Madrid midfielder Isco has been picked up by microphones mocking coach Zinedine Zidane.

Isco was heard joking with Marcelo before the kickoff of Saturday's 3-1 win at Barcelona.

“If he has to change me, he changes me in the 50th or 60th minute of the game. Sometimes in the break," said Isco.

"If he has to put me in, he puts me in the 80th..."

Comments from Isco which produced a burst of laughter from Marcelo.