Michael Essien escaped punishment on Saturday during after hitting and having hot exchanges with the referee in Panathinaikos' 1-0 defeat to Xanthi.
Four minutes after coming on, Essien was incensed by a foul against him for tackle on Kostas Fliska.
The midfield ace vehemently protested there was contact on the player and slightly hit the chest of the referee.
But the Ghana international only received a verbal warning from Stavros Mantalos.