"He is so unique," Holloway wrote in The Mirror. "He is an untouched, pure talent. I've never worked with anyone like him - he just wants to get the ball and beat people, however many there are, he can do it.
"Before I got to Palace, I was hearing a lot about this boy and I thought, 'Is he better than anybody else?'
"Now I have seen him. Good gracious me, it is quite unbelievable what he can do, and hopefully, a lot of fans around the country will see him still progress because it is so pure."
Zaha has scored four goals in nine appearances in the Championship so far this season.