I've spent a full 5 minutes on the last clue I have to solve, trying to work out why 5d is RUG. Anybody explain? Rug(by)? G good? Is RU a game of which I have never heard? I don't often ask here but I do need to be put out of my misery today so that I can go shopping while thinking of something else.
That one defeated me as well, my train of thought was exactly the same as yours, thanks to everyone to knew RU was rugby union, even more embarrassing I had just been reading the Rugby section in the ST before starting the crossword!