Steven Whittaker has revealed how former Celtic manager Ange Postecoglou has shaped his coaching career.
The 40-year-old is currently in the process of gaining his UEFA Pro License.
On the course, he got the opportunity to speak to ex-Parkhead gaffer Postecoglou: "He went over his style of how he plays and why he plays it, and the fact he wouldn't change," said Whittaker [Scottish Sun Sport YouTube].
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"That's what has brought him success to where he is today. You see him under pressure now, and he's stubborn in the way he is, and that's who he is.
"And that's his message all the time. This is who he is, and 'I'm not going to change'.
"It was a pleasure to listen to how he plays, certain positions he wants to do in the game, defending and attacking. It was brilliant. A lot of it you've seen at Celtic when he was there. A lot of it was going over bits and pieces of what he done at Celtic and obviously taking it into Tottenham."
Whittaker made over 200 appearances for Rangers, although he is currently the assistant manager to Celtic legend Scott Brown at Ayr United.
They were beaten 5-0 by Livingston on Friday evening as their hopes of a top-two Championship finish were blemished.
Down south, Postecoglou recently booked Spurs' place in the semi-finals of the Europa League with a 2-1 aggregate win over Frankfurt on Thursday night.
His team will face Bodo/Glimt in the last four; Postecoglou's memories of the Norwegians won't be entirely positive after they condemned his Celtic side to a 5-1 defeat in the UEFA Conference League three years ago.