"We agreed everything with the club so the only thing we have to do is a medical," Jol said.
"If that is sound and good, he will join us. The medical will be tomorrow.
"I like his creativity and, of course, sometimes it comes off when he scores a lot of goals and I think he was involved in 40 goals [during the 2010/11 Championship promotion season].
"It is like Dimitar Berbatov - sometimes these fantastic talents will be blamed but I hope to find a way to gel him in together with the boys we've got.
"I think he can do a hell of a job for us because is a tremendous player on the ball."