Ange Postecoglou has been told he isn't managing Celtic against 'Kilmarnock and St Mirren' anymore.
Former Arsenal great Paul Merson has been widely commended for his observation that the Aussie's failure to adapt Tottenham's playing style led to their 4-2 collapse against Chelsea last night.
Pressure is beginning to mount on the former Hoops manager after their latest defeat against one of their Premier League rivals.
Spurs were 2-0 up in the game, on home soil, but lost the match 4-2 ahead of Thursday's Europa League tie against Rangers.
Merson admits he enjoys watching Postecoglou's teams for their all-out-attack philosophy.
But the pundit has suggested it will be his downfall as opponents in the EPL can easily pick Spurs off, unlike in the Scottish Premiership with Celtic.
In the Sky Sports studio, he said: "I don't want to have a go because I like Ange and I like watching Tottenham play.
"But I'm watching the game and it's like: 'We're 2-0 up against Chelsea, let's just keep on going.'
"It's like they're playing against Kilmarnock or St Mirren and 'I'm the Celtic manager and I've got the best players.'
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"I haven't got the best players at Tottenham. I haven't got the best players so I have to change. I'm not Man City when I can go: 'You have a shot, we have a shot and we will destroy you,' like they have over the years.
"You've got to be cute. you've got to say: 'Right, we're 2-0 up here. Sit back and let's counter attack.' Solanke was ruining the centre halves, holding it up and bringing people in. They couldn't live with him.
"But then they were charging all over the place and all of a sudden Lavia, the ball comes in and he just put it round the corner to Enzo Fernandez or Palmer and then they're running the defenders. It's so naive."
