Few Arsenal and Manchester United fans would look further than Borussia Dortmund boss Jurgen Klopp when asked who their next manager should be.
The German coach has instilled a number of attractive qualities into the Bundesliga side and it has all been done on what appears to be a shoestring budget. For their money, Dortmund have bagged two Bundesliga titles and a DFB Pokal Cup under Klopp. They were also one win away from winning a Champions League in 2013.
But now the magic is starting to fade away. Borussia Dortmund are rock bottom of the Bundesliga, losing eight of their opening 13 games. 22 points behind Bayern Munich, a third league title for Klopp will have to wait until 2016 at the earliest.
Dog days are gone
The reality is, however, the wait could be much, much longer. In fact, the most likely outcome is that Dortmund won't win another league title under Klopp, who is destined to move on in the near future.
Wherever he goes, Klopp will become a cult figure, just as he was at Mainz and as he now is at Dortmund. He is a very likeable character, filled with passion and humour in equal measure.
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Every time he comes to England, he leaves with new fans. Arsenal fans are smitten as are a horde of journalists, who continue to eat out of his hand, as he feeds them line after line of excellent copy.
But if he cannot turn this season around at the Westfalenhallen, he will be in major trouble of missing out on the top job he seemed destined for only months ago. Manchester United and Arsenal are likely destinations, but Dortmund's descent may have exposed a gaping hole in his managerial ability.
Klopp arrived at Borussia Dortmund with a fine reputation across German football. Labelled as one of the best young coaches in the world, he was charged with the task of rebuilding a side still recovering from being on the brink of bankruptcy.
He took advantage of some excellent youth products like Mario Gotze while also buying some of the best products from other clubs. Mats Hummels, Robert Lewandowski and Marco Reus all came in and eventually became key players.
However, having built a successful team, culminating in back-to-back titles in 2011 and 2012, Dortmund's stars inevitably attracted the interest from bigger outfits. Bayern Munich used their financial prowess to push their new rival back down.
Dortmund were down but not defeated. They had hoped that with Klopp in charge a new team of stars could be built without the cash Bayern seemed to require. But as of yet, he has not done it.
Klopp's disciples may point towards the injury crisis as a major problem with the likes of Ilkay Gundogan and Reus suffering from long-term ailments. But the counter would argue that if they had remained fit, other suitors would have bought them by now.
Swimming against the tide
It is fair to say the 47-year-old is swimming against the tide at Dortmund. As soon as he has a team capable of challenging for major honours, the bigger fish scoops up their best players and he must start again.
Now the team is as depleted of stars at it has ever been and requires rebuilding if they are to challenge once again. For Klopp, he must now prove that he can do one of the hardest jobs in football, something Wenger has failed to do at Arsenal for comparable reasons.
Should he get Dortmund back up and challenging Bayern Munich by, say the time Wenger's or Van Gaal's contract ends, he will surely be on the shortlist at Old Trafford and the Emirates Stadium.
If he can't, then Tottenham Hotspur awaits.
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