West Ham have a new boss, a new approach, a new formation and new players . Slaven Bilic is in the process of transforming Big Sam's West Ham squad to his own, but he is still short in some areas.
The Croat is well known for utilising a 4-2-3-1 formation and in many of his games in charge of the Hammers this pre-season, it is a set up he has chosen to continue with.
It hasn't always been successful, though, as the Hammers have drawn 3-3 and 0-0 with Peterborough and Charlton respectively, and have beaten League 2 Southend 3-2 .
Whilst pre-season results should be taken with a pinch of salt, it is clear there is still a lot of work that needs to be done to Bilic's new style to get it up to scratch.
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And when you go through Bilic's squad, he has already built the basis of a good 4-2-3-1 playing team. His defence and keeper are solid. Adrian is a quality Premier League stopper, and then in Angelo Ogbonna, Winston Reid, James Collins and James Tomkins he has four good centre-backs. Aaron Cresswell and Carl Jenkinson provide the perfect attacking full-backs for the formation, who can get up and down and give support to the attack.
Then in front of them he has good defensive midfielders in Cheikhou Kouyate, Mark Noble and new signing Pedro Obiang, who will all shield and control the game.
Then he has talented play maker Dimitri Payet, who will play in the no.10 role for the Hammers this season, then wide right or left he has Enner Valencia supporting main striker Diafra Sakho.
But there is one player missing, and that is a real quality out-and-out winger, someone like Kevin Mirrallas for example. Someone who can provide real pace, real width and some quality in the wide areas.
It already has been well documented that the Everton man could be bought this summer as he is in his final year of his contract at Goodison Park, and the Hammers have already reportedly put in bids for the winger.
He is valued at around £8m and a deal for the winger could certainly be done, considering that he has fallen down the pecking order on Merseyside, reportedly because of his frosty relationship with Toffees boss Roberto Martinez.
That's largely down to the winger's attitude, and when Mirallas stole penalty duties off Leighton Baines against team orders last season, which certainly did little to help the pair's relationship. Especially as he went on to miss the subsequent spot kick.
Given that, and the fact he is in the final year of his contract, the Hammers could do a deal for Mirallas providing they match Everton's valuation of the winger.
The Belgian would be a great signing for the Hammers, too. He would add some pace on the wing, an added goal threat and would be someone capable of providing something different out wide. Mirallas is player who is a dangerous in dead ball situations, which the Hammers may be missing following Stewart Downing's departure to Middlesbrough.
The Hammers need a winger and Mirallas is certainly the right man for them. He's the right age, experienced in the Premier League and has the quality needed to improve Bilic's new look side.
The question is; can they get him?