It happened right in front of the away end so most City fans there had a really clear view. It was a stonewall penalty. The ball was in front of Vincenti who had a clear sight for a shot on goal and would almost certainly have scored. As he went to strike the ball a Grimsby defender put his foot between Vincenti's foot and the ball. Vincenti therefore kicked the defender's foot and went over. I was certain the referee would give the pen as he was right on the spot. I couldn't believe it when he waved play on. If there was an injustice with the first goal (and I don't think there was), his decision to allow it only made up for the terrible decision with the penalty.