Middlesbrough game is pretty much sold out though, so the club will see no need to put it on general sale. It hasn't even gone to booking history. They should put every match to booking history if not sold out, like this game. Otherwise you will end up with empty seats. If tickets are available 3 days before a match there is no excuse to not at least drop it to booking history. If tickets left on the day, maybe even allow general sale (walk up and buy).