It’s Monday, so there was another edition of Ref Watch on Sky Sports this morning and an incident during Celtic’s win over St Johnstone at the weekend was reviewed. There was a big penalty shout for the Bhoys in the first half of the 3-1 victory when the score was still deadlocked at 0-0. Daizen Maeda blasted the ball towards goal, looking certain to score, but his shot was cleared off the line by Saints defender Luke Robinson. The effort appeared to come off of Robinson’s arm but Euan Anderson did not blow for a penalty and the incident was not referred for review by VAR Chris Graham. Dermot …