Arsenal enjoyed a bright summer on the transfer front, making a number of key signings for the present and future. Now, with the January window on the horizon, the likes of the Gunners will likely be setting their sights on new targets. Arsenal did not sign a centre-forward in the summer and, while they’ve not exactly suffered from it, there is certainly scope to make an addition up front. Now, according to GiveMeSport, the Gunners are prepared to step up their interest in a world-class striker who’s said to be losing patience with his current club. Arsenal alerted to change in Alexander Isak …