Rangers will face Celtic in the Scottish Premiership on May 2nd. Ahead of the game match officials have been confirmed as Nick Walsh will make his Old Firm refereeing debut.
Walsh will be assisted by Calum Spence and Alan Mulvanny, while Willie Collum is the fourth official.
The referee has shown 88 yellow cards and five reds overall this season in all competitions, having awarded 11 penalties.
source -
GlasgowLive