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As far as their respective managerial records, it really isn't much of a contest.
Van Gaal has proven himself successful around Europe and has won major trophies whilst becoming renowned for his tactical acumen as well as his personality.
Certainly he is by no means perfect, and he failed during his first spell as coach of the Oranje. But these past 12 months have shown that he more than learned from that ill-fated stint in charge on the back of a good period at AZ Alkmaar and an (initially) successful spell at Bayern Munich.
Loew's club career took in the likes of Austria Vienna, Adanaspor and Wacker Innsbruck, but he has done a very good job since becoming Germany's boss in 2006 following a spell as Juergen Klinsmann's assistant.
Subsequently, he led Die Mannschaft to the Euro 2008 final and the semi-final stage at both the 2010 World Cup and Euro 2012. On paper, his international record is one to envy—unless your name's Vicente Del Bosque.
However, here's the rub.
In each of the last three major tournaments of matches Germany played and won, did you ever think there was any doubt that they would win those matches? Perhaps Argentina in 2010, but then you remember that Diego Maradona was the Albiceleste manager and just how unbalanced that team was.
It was in the Group of Death at last year's European Championships, but it was expected to win the group—and as credit to Loew, it subsequently did.
Thus, a perception of Loew is that he is merely there as a figurehead, much like Klinsmann (who seemingly led by personality alone) before. He picks the team and makes the decisions with his technical staff, but does he have the managerial nous to get the better of a rival when matches delve into more tactical affairs?
Indeed, Loew failed on such a score in the Euro 2012 semi-final when Cesare Prandelli got the better of him. Germany were heavily fancied to see off Italy, but Loew's decision to move Mesut Ozil to the wing and include Toni Kroos in his lineup backfired.
Certainly this Germany side can blow opponents away; it has proven that plenty in recent times. However, in tight, edgy encounters, does Loew have enough to guide his team through?
In the end it comes down to personal preference, as many choices do. But in the battle between the two managers, I'd take the madness of King Louis time and again.