The Holland coach is being linked with Spurs and Manchester United.
Holtby, on-loan at Fulham, told talkSPORT: “He’s proven in the Dutch, German and Spanish leagues that’s he’s a top, top manager.
“It’s not for me to judge how good he is, all I will say is that he has won a lot of things.
“The way Bayern Munich are playing now has his handwriting. I played against one of his teams, when I was with Mainz, and he’s very good.”
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