MARK Warburton says his side must take their chances if they are to threaten their Old Firm rivals this weekend.

His Rangers side could only take a point against St Johnstone despite having 14 shots on target in Perth and the Gers boss has admitted his players must have more cutting edge in front of goal.

Warburton has called on his squad to continue with the zest they displayed in an impressive first-half when Barrie McKay fired the Light Blues ahead.

The manager said:

“This weekend’s game is irrelevant in terms of taking your chances because whatever game you are in, home or away, you have to take your chances.

“We were very good first-half, we had balls flashing across the box, we were getting into wide areas, Jason Holt was getting beyond Josh Windass.

“I thought we were good and in the second-half we dropped off in terms of quality but we still only had X number of shots and we didn’t really test the keeper and we need to do that.

“Barrie McKay was excellent tonight, he showed his quality, his tight ball control is outstanding and so is his desire to take a man on.

“It’s the same as Rob Kiernan because as a wide player you make mistakes, a defender will win a dual but what do you do? Shy away? No you go again.

“Barrie has so much ability and I have said many times before that he can go as high as he wants to go in the game.”

In the absence of Lee Wallace the Light Blues manager started with three at the back and packed his midfield with five.

Rob Kiernan, Clint Hill, who limped off midway through the second period, and Danny Wilson played in defence and Warburton thinks his system was effective.

He said: “You saw the physicality and the size of St Johnstone and we knew what we had to do.

“Playing three centre-halves we dealt with set pieces very well and threatened in their box as well so we are happy with that.

“It is about the squad, we are happy with the squad, Waggy has been very good in the last couple of games and today he came on and made an impact. It is always about the squad not the 11 or 14.”

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