Celtic manager Brendan Rodgers has been giving his thoughts on the upcoming derby away to Rangers on Sunday and the appointment of John Beaton as referee. Rodgers was critical of Beaton in the wake of last month’s controversial defeat to Hearts at Tynecastle. His comments resulted in the Celtic boss being given a touchline ban by the Scottish FA. With Beaton under so much scrutiny, some have considered it a curious decision to put him in the spotlight for the biggest game of the season so far. Chris Sutton criticised the SFA’s handling of the matter, stating that Beaton’s appointment was a “po…