The under-fire Leeds United goalkeeper was serenaded by fans before kickoff today.
The Spanish goalkeeper went into this afternoon's 1-0 win over Bristol City on the back of some poor form.
Casilla had made mistakes which led to goals in each of his last three Leeds outings before today - two defeats, one draw.
But before the game, the Elland Road faithful proved why they're some of the best fans in the business by chanting his name, with the former Real Madrid stopper acknowledging the support.
Cooper, the Leeds captain, told BBC West Yorkshire Sport after being told about the support from the stands: "I'm delighted for him. He's come in for a bit of stick. He's a confident lad and that clean sheet was for him today. He deserves it. He never changes the way he plays. He's a great lad and we're absolutely buzzing for him."
Confidence is such a massive thing for a goalkeeper and although he didn't have much to do today, Casilla will still be buoyed by the clean sheet.
The truth is that Leeds can't afford many more goalkeeping errors, given it has cost them points in recent weeks, but hopefully for his and the team's sake he starts playing better and, more importantly, consistently.
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