Players come and players go, as do the managers - we all know that.

However at Manchester United and Liverpool, this coming summer transfer window won't be wide enough with the amount of comings and goings.

It will be interesting to say the least and a little un-nerving if you are a player at either of those clubs. To suggest that a major overhaul at Liverpool is due is probably an understatement. Klopp has had to work with what he was left with and ultimately, some of the players will possibly not be who he thinks he will need to mount a proper and concentrated assault on the Premier League next season.

Indeed, many of the Liverpool players, don't look like Liverpool players. Klopp will look to re-shape his squad, but question marks might be asked over his January signing of Steven Caulker. Is this the type of player Klopp wants, and why if he's going to play him out of position? Was it a knee-jerk reaction to the injury crisis and Anfield at the time?

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Klopp certainly knew his stuff in the Bundesliga and every Liverpool fan will be hoping that he translates that knack to their club for next season. It's likely he'll be given more cash and more importantly, he'll be given time.

As to who goes and stays, it's anyone's guess, but nobody will be able to rest on their laurels or their name! One player not making his way to the Premier League will be Alex Teixeira.

He decided that China was far more suitable than playing at Anfield, possibly helped by the extra zero's on the end of the cheque from the Chinese club. Apart from the Brazilian, Klopp may have lost Joel Matip and Valencia have snatched Denis Cheryshev.

There will be changes, although it appears that after what amounts to a frustrating January window, Klopp is keeping his money safe until July. Rumours are always good and there is always talk of who will come through the Anfield gates, but certainly Klopp has his eye on another goalkeeper in Barcelona's Marc-Andre ter Stegen. There is believed to be a massive £65m buy-out clause, but Klopp is adamant that he wants him.

Equally, the German has his eyes on former Manchester United man, Javier Hernandez and Real Madrid striker Jese Rodriquez. Other reports suggest Liverpool are readying a £10m bid for German defender Jonas Hector.

It will be a very different Liverpool side to this season. 2015/16 may well be a season to forget on Merseyside, but also the dawning of a new age.

Heading East, Manchester United will likely have a new manager by the summer transfer window. The fact their rivals Man City have announced the biggest managerial signing in Pep Guardiola means that United now need to do something equally as big in terms of the manager.

The fans are looking for a statement of intent from the club and it needs to be huge. Although Louis van Gaal has done his best, his style and man-management isn't to the taste of the United players. £250m spent and they still cannot get into the top four or stay in the Champions League.

So who you gonna call? Well, Jose Mourinho, that's who, and let's face it, it's another badly kept secret. If it is anyone other than Mourinho, many people will be astounded. His record of achievement stretches across Europe and it's no secret that he really, really wants the job. He has his heart set on it.

Despite the fact there are as many reasons not to employ him, the man brings success and United desperately need success. United without a trophy is like a trifle without the jelly - something important is missing.

Like Liverpool, there will be an exit door held open in the summer breeze under Mourinho, as the new manager brings in his type of players. It's interesting to note the lack of transfer activity in January at Old Trafford speaks volumes. The prospective arrival of Jose Mourinho, linked heavily with the United job in recent days, may afford some of the United first-team squad another opportunity to stake their claim for a first-team role.

Despite reported bids of £140m for Barcelona superstar Neymar, United are linked with Atletico Madrid's Antoine Griezmann, but as usual this type of player is subject to interest from many clubs. Plus the fact United used to be able to attract top names and now that has changed.

The name stands proud, but the lack of success is the anchor weighing down the club and that has knock-on effects. Will David De Gea stay or go, will a new manager shed the majority of the first team since the majority do not impress week in, week out? Aymeric Laporte of Athletic Bilbao, Real Madrid's Raphael Varane and Everton's John Stones are three options in defence for United, but that is supposing it is Mourinho coming in and he wants those players. What if Pochettino comes in? Would he entice Harry Kane?

There are so many possibilities, so sit back and enjoy because this summer is going to be one of the hottest.

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