Star Sport brings you five footballers who impressed in their playing days but flopped in the dugout.Want to be on the ball with all of the latest football news?Well then sign up for the brilliant Daily Star football email newsletter!From the latest transfer news to the agenda-setting stories, get it all in your email inbox - don't miss a thing.It only takes a matter of seconds.Simply type your email address into the box at the top of this article and hit 'subscribe'.And that's it, job done.
You'll receive an email with all of the top news stories every single morning.You can find out more information on our email newsletter on this link here.Having turned out for Ajax, Barcelona, Juventus and Tottenham, the Dutch midfielder can boast to.
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