A clunky blue line was drawn across the pitch, bent in places and clearly showing Watkins’ shoulder goal side. Nicholson will probably put it down to teething issues.
Don Robertson was on VAR duty, a decision was taken in less than two minutes, to the surprise of the Kilmarnock striker his goal was allowed to stand.
Muir, like McLean and assistant referee Frank Muir, had a clear view of the incident but neither of the three opted to apply the Laws of the Game.