Incumbent champion Spain, 4 years later: Aging, Rusty & reducing motivation.

In South Africa four years ago, the majority of competitors are afraid to meet Spain. Now another. When tiki-taka is not a super weapon, especially aging squad, who are no longer afraid of "La Roja".
Compared to the time of his coronation in Euro 2012 and World Cup 2010, it is time for Vicente Del Bosque's team were rated the weakest.
4 years ago, 4 years later.
World Cup 2014 tournament is the trend of a lot younger team, but not all. Spain is one of the team to Brazil with most old squad. Specifically, Del Bosque's troops had an average age as of this moment, is 28.3.
To Brazil, Spain carry 16 players had their hands on the gold trophy on South African soil four years ago - a figure clearly shows a lack of innovation. At least 8 people near the stone finals before 85,000 spectators on Soccer City Stadium is still an indispensable pillar in Del Bosque's tactics. They are Casillas, Ramos, Pique, Busquets, Alonso, Xavi, Iniesta and Pedro. Villa remained a factor often. Only Puyol and Capdevila is retiring.
A comparison to clearly see the contrast: Spain's opponents in the final four years ago, and also their opponent's opening game after another day - Netherlands - have to change 16. Only 7 Dutch player ever landed in South Africa four years ago was Louis van Gaal believes.
Play was "blunt"
When Spain EURO 2008 winner is also looking at their world with different eyes. It is a true champion, not even the king of the qualifying period. Farewell Luis Aragones, Del Bosque appears, and "La Roja" continued dominance.
Important weapon is their tiki-taka, kicking football Barca seamlessly with Pep Guardiola. This is the evolution of football-scale attack that performed in the Netherlands in 1970. Johan Cruyff as the bridge, to implement it with Barca's Pep. Del Bosque has "borrowed" tiki-taka, the pillar is the Barca players, thereby winning the World Cup 2010 and Euro 2012.
Tiki-taka create great attraction worldwide. Barca and Spain became something scary. Tiki-taka the ball very highly, and lull the enemy before launching the final blow.
The problem, tiki-taka only that. Rivals see no sleep when this play. In contrast, people more conscious when it comes tiki-taka. The blow knocked Barca last season was the lesson. Rivals no more clusters, which struck directly over the field of physical play. Tiki-taka is now meant Toggling ball, then ... out of time.
But the problem is not entirely due to tiki-taka. Barca lose, because the human operator tiki-taka was not prolific. They were very much older, and of course entail sensory impairment ball. Not to mention, desire and loss over time.
Del Bosque change anything?
Tiki-taka is refreshing if not dead. Pep revolutionary step required before he left Barca. Last season, Bayern lost heavily against Real Madrid, but is generally successful season of Pep. He just started "spreading" tiki-taka, and should have time to go into orbit everything.
Lessons from Barca and since Pep can do something for Del Bosque? There are many articles analyzing TBN will not be successfully defended his throne. This is when Del Bosque further expressed his greatness. Del Bosque agreed that once "borrowed" Pep's Barca, but he pretty much new. It is a combination of Alonso, with long balls, to tiki-taka; or use Torres as striker plug that Barca missing.
An old Spain is refreshed with Diego Costa, and flexibility across multiple diagrams, 4-3-3 and 4-1-4-1. After 4 years, it is true that Spain has aging on the tiki-taka, but they remain a major challenge for organizations world champion.
28.3 Spain to Brazil with the team has an average age of 28.3. Argentina's oldest team with an average age of 28.9.
 16 There are to 16 players each touch the trophy in South Africa was Del Bosque coach brought to Brazil  In particular, there are 9 major player kicking the finals.
7 Core to build Del Bosque Spain World Cup 2014 is the Barca players, with a total of 7 people.