And after their manager had a word with the lino, he accepted the decision as well, so I'd guess it was a good decision.
Pearson is often subjected to kicks and toe-treading off the ball, and he does give a bit back - nothing wrong with that, as long as you don't get caught! Perhaps a bit lucky not to get a yellow card if it's right that he trod on the striker?
When the ref got his card out I thought it was for Glover for mouthing off at the lino!