What HERRERA is likely to offer us
[h=1]United Resurgence Could Start With Herrera...[/h] 
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			 	 	Oscar de Marcos looked offside, but the real story was the  pass. Picking up the ball between the Manchester United lines, Ander  Herrera scooped a delicious lofted pass to bypass the defence.
It was typical of the imagination shown by Athletic Bilbao in their 3-2 win over United that day in March 2012. 
"There's no doubt Bilbao were the  better side," said Sir Alex Ferguson of Marcelo Bielsa's team. "They  were very aggressive in their attacking and pressing."
Ferguson was understating. The reality was even more damning. Kevin  McCarra wrote in The Guardian that United 'defended in a manner that  looked increasing preposterous as Athletic performed with vigour and  finesse', while The Telegraph's Henry Winter wrote of how the hosts were  'embarrassed by the superior work-rate, passing, movement and  finishing' of the visitors.
 
United recovered from this chastening experience to win  the Premier League the following season with the overwhelming firepower  of Robin van Persie and Wayne Rooney proving decisive. And yet, with  the benefit of hindsight, the warning signs were evident. A re-building  job was required, David Moyes just wasn't the man to do it. That night  in March offered a blueprint for a new United.
 
If the summer signing of Luke Shaw offers the prospect of renewal in  defence, it is the acquisition of Herrera that really intrigues.  Described by Sky Sports' Spanish expert Guillem Balague as "an  intelligent, quick attacking midfielder with a great brain and a superb  attitude", this is surely the type of player that United must learn to  embrace again if they are to progress.
 
Herrera ranked among the top four players in La Liga last season for  successful through-balls, behind Cesc Fabregas and Isco but level with  Andres Iniesta. Given the teams the others play for, his numbers are  arguably even more impressive. United have signed a key player from a  fine team and one with the potential to play a transformative role in  their midfield.
 
It's a big ask for one man. Indeed, the bald statistics of five goals  and five assists in La Liga for Athletic last season suggest such a  dramatic influence might be regarded as a little optimistic. But the  embers of a good side remain at Old Trafford. The finishers are there,  they need the facilitators. That has to come from the centre of the  pitch.
 
"The key for me is that the speed of their game through the midfield  is not quick enough," Gary Neville told the Mail on Sunday. "United have  always been about those relentless waves of attacks, sustained for good  periods without counter, which would eventually overwhelm the  opposition."
 With Marouane Fellaini arguably played out of position and Michael  Carrick needing quick movement around him, it's been a difficult period  for the game-shapers in the middle. Regardless of the options further  forward in the final third, having quality in that area of the field is  crucial.
 
Herrera cannot be regarded a deep-lying midfielder in the Andrea  Pirlo mould - the bulk of his appearances have come in an attacking  midfield role - but his arrival offers that possibility. It seems  apparent that Louis van Gaal regards Herrera as a more energetic option  for the bridging role between defence and attack than long-time target  Toni Kroos.
 
The 24-year-old is certainly a flexible performer capable of  operating in the middle band of a 4-3-3 formation, and the prospect of  fitting both him and Juan Mata into the same team is something to excite  rather than challenge Van Gaal. Encouragingly, it's been done before;  the duo were part of the Spain Under-21 side that won the 2011 European  Championships.
 
Together with David de Gea - in fact all three were named in the team  of the tournament with Mata nominated as the best player - Herrera  thrived, scoring the opening goal in the final. His role, in a midfield  three with Mata on the right of the forward line, offers a glimpse of  the potential for the pair to interact together in tight areas in a way  that was so alarmingly absent last term.
 
Moyes was keen for his players to occupy their zones and stretch the  play by retaining the shape. The problem is that this effectively  discourages players from getting close to each other and creating  precisely the sort of triangles that see technically gifted players  produce their best work.
 
Will the presence of Herrera in Van Gaal's team help change that?  Physics defines critical mass as the minimum amount of fissile material  needed to maintain a nuclear chain reaction. By the same token, if Van  Gaal can get Herrera and Mata interacting, their impact could have an  exponential effect throughout the team. Perhaps there's even life in the  'Free Shinji' campaign too.
 
Of course, speed is needed - especially in wide areas - and that's  what Shaw can bring. But the signing of Herrera brings speed of thought  too. The combination of the two could be huge for Manchester United -  and that lesson from Bielsa's Bilbao will have been one worth learning.