Arsenal are in desperate need of a striker.
Newspapers continue to link the Gunners with big names, with many expecting Arsene Wenger to reach deep in to his pocket again and fork out another extraordinary fee as he did with Mesut Ozil in the summer.
But another star name will upset the balance in the Arsenal team. Ozil is the star and others are feeding off him.
Besides, Olivier Giroud has been sensational for Arsenal up front, scoring goals, creating goals and winning seemingly lost causes time after time.
But he's not a machine and he needs the chance to have rest. Starting 21 games before December is a surefire way to get yourself injured and the Gunners can't afford to see the Frenchman on the sidelines.
So a cheap yet effective January reinforcement is needed. In Kostas Mitroglou, they have the chance to sign just that.
Valued at just £7m, the Olympiakos striker has been in sensational form so far this season, already bagging four hat-tricks - more than any other player in Europe.
Like Cristiano Ronaldo with Portugal, Mitrglou inspired the Greek national side during their World Cup play-off against Romania, bagging three of their four goals as they secured a passage to Brazil next summer.
He's having the season of his life and you'd be a fool to doubt that the 25-year-old can't replicate that form when the finals start in June.
But if he does have a good World Cup, his value will skyrocket and Wenger won't be the only one courting the Greek international.
There is nothing quite like a good World Cup to increase a player's reputation and it will only take three or four goals for the whole world to sit up and take notice of the player and convince the juggernauts of the game to throw silly money at Olympiakos for him.
For Arsenal, he represents the perfect back-up option to Giroud. As a short, stocky, quick player he cuts a different figure to that of Giroud so will not only provide support but also a completely different option if the chips are ever down.
Whilst his terrific goal scoring goes unnoticed in the Greek Super League, Arsenal have the chance to pick up a potential bargain in the January transfer window.
But if they fail to bring him before the World Cup, they run the risk of missing a golden opportunity.