Celtic midfielder Kris Commons has insisted that his side should have been awarded at least one penalty in the 3-0 loss to Juventus.
The Scottish giants had a number of appeals turned down, while they were unhappy with the way that the Old Lady defended from corners.
“Gary Hooper was pulled down on far too many occasions and we got no rewards at all,” he stated.
“There’s a referee there, a guy behind the goal, a linesman – the whole idea of the official behind the goal is to look out for this kind of stuff.
“If he can't identify when people are being hauled, manhandled and wrestled to the floor then I don't think he should be in a job.”
Spanish referee Alberto Undiano Mallenco, meanwhile, opted to deal with the set-piece grappling by showing yellow cards.
“In the first half he told them that if they kept doing it then we’d get a penalty,” Commons continued. “He kept stopping the play, booking people and telling them to stop.
“It had no effect. We had a corner in the 91st minute and it was still happening…”