Portuguese don't tend to eat Kebabs and FC Sporting are a big club that produces and sells a lot of players at huge profits . O'Hare is no.where neat that level.
Being a ref is not easy and they get more decisions right than wrong. How many fans and players even know the rules. Try being an official and see how good or crap you are.
If he is not fully fit he may not receive a lucrative deal. He's understandably slower and looks like he has gained weight. Maybe a one year contract extension would suit both parties in this case.