Manchester United might have had a poor season overall but Jamie O’Hara says they at least have one player who can do something most others can’t. Erik ten Hag’s side are facing off against Arsenal today knowing they can derail the Gunners’ title hopes and in turn, hand the title to rivals Manchester City. For United, the only thing left to play for really is the FA Cup, albeit a win would put them level with Chelsea and Newcastle above them. READ MORE: Paul Merson says it’s really ‘sad’ to see one Man United player right nowThe United players, in general, have put in below par performances al…