Chelsea face Manchester United on Thursday in a match between two fallen giants in the Premier League. Once upon a time, this game would have been a title decider between two of the best teams in the country, but now, it’s more of a mid-table clash. However, due to the history involved and the supposed quality on show, this should still be a cracking game, and one that is hard to call. Indeed, both United and Chelsea have been so up and down as of late, this game is almost impossible to predict, but, as ever, Troy Deeney has stuck his neck on the line and tried to call this one. Troy Deeney pr…