We're rapidly approaching another high stakes match-up between Celtic and Rangers with the two teams set to go to battle on Sunday at Celtic Park.

With the Hoops holding the upper hand in contests between the two clubs so far this season, the Gers have never been more keen to gain a victory.

Brendan Rodgers team are seemingly unstoppable though having not lost a domestic match all season, winning every single one since September. It's been an incredible run but you know what they say about derbies like this, form doesn't matter.

Perhaps the only certainty heading into Sunday's game is that the referee will be at the heart of the action. Often contested with, shall we say, 'robust' challenges in front of one of the most passionate crowds around, the derby is surely one of the toughest to call in world football.

As reported by STV, the man tasked with controlling the 22 players this weekend is Bobby Madden, taking charge of his first clash between the two sides this season.

Scottish refereeing isn't held in the highest regard by supporters, least of all Celtic fans, so news such as this often gets tongues wagging.

Supporters took to Twitter to share their thoughts on the appointment...

[ad_pod id='Shoot-Xmas-Survey' align='left']

[ad_pod id='playwire' align='center']