Paul Merson has shared what would shock him from Arsenal in the January transfer window, with Mikel Arteta’s men yet to make a signing this month. It has certainly been a very slow start to the month across the Premier League. Apart from Tottenham, there has barely been any movement for any club so far. Arsenal are one of those yet to do anything significant. The Gunners are currently on a run of one win in their last seven games in all competitions. And they have only scored five goals in that run. Paul Merson doesn’t expect Arsenal to sign anyone in JanuaryIan Wright expressed his concern ab…