Casemiro has made clear Real Madrid's squad are firmly behind Zinedine Zidane as they aim to avoid a hugely embarrassing Champions League exit.
Madrid have become accustomed to success in Europe's premier club competition under Zidane, having lifted the trophy three times during his first spell in charge.
However, the reigning LaLiga champions were dumped out at the last-16 stage last season, going down 4-2 on aggregate to Manchester City, and are in serious danger of failing to make it out of their group for the first time ever.
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Los Blancos sit third in the table going into the final round of fixtures, when they will play host to leaders Borussia Monchengladbach in the Spanish capital on Wednesday.