Manchester United's £31 million signing of English teenager Luke Shaw has been heavily criticised in recent time.
The mega deal was always going to divide opinion as, after all, the former Southampton man has only really enjoyed one full season in the Premier League. However, with the player having signed at just 18-years-old (now 19), this is a deal that may well turn out to be a major coup for the Red Devils. He certainly has everything to prove, but has time on his side - and a lot of it.
Of course, there is now a huge price tag which will weigh on the player's shoulders, but Shaw has the ability to prove his credentials on the grandest stage. And, at Manchester United, with Van Gaal in charge, there is no better place for the youngster to be in world football right now.
Additionally, with it looking extremely likely that Frenchman Patrice Evra will depart the club, Shaw looks set to be handed a key role under the new regime. Playing at Old Trafford week-in, week-out will only help his progression in the coming years.
And then comes Chelsea's deal to sign Brazilian full-back Filipe Luis. While United have faced criticism for the signing of a young talent, Chelsea will surely suffer a similar fate but for a very different reason.
Much like Manchester United, the Blues have secured the services of a left-back for a huge price...but that's where the similarities stop. Of course, in Chelsea's favour is that they've not spent quite as much as the Red Devils, but £20m for a left-back of 28-years of age does seem an odd one.
At the end of the day, Ashley Cole, who is only just over four years older than Luis, has been hung out to dry by Mourinho, despite being recognised as one of the world's best left-backs a couple of years before. And is Luis even better than Cole or Cesar Azpilicueta for that matter?
Luis certainly proved his credentials in La Liga last term as he helped the Spanish outfit secure the title, but there has to be a reason why he's not been snapped up by one of Europe's rich clubs until now. The full-back wasn't even able to break into the Brazil squad - and we all saw how poor their defence was this summer.
Don't get me wrong, though, Luis will be a solid signing for the Blues, but £20m is a crazy amount for Roman Abramovich to pay for a player who will soon be entering the latter stages of his career.
Shaw, on the other hand, has his entire career in front of him, and will prove by far the best signing out of the two. It seems strange that Chelsea wouldn't stump up the cash for the teenager, but would be willing to pay so much for Luis.
Luis may well enjoy success at the Bridge for a year or two before eventually being sold on for a fraction of the amount that the Blues paid for him. Shaw, meanwhile, could be United's left-back for the next 10-years, and his price tag may well rocket further as he develops into one of the leading full-backs in world football.
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