The Spaniard comes to the Camp Nou from Athletic Bilbao, where he helped the club to their first Champions League appearance in 16 years and qualified for European competition in each of the last four seasons. But while he may have impressed in Basque Country, the job ahead of him at Barcelona is bigger than anything he's ever faced.
What are the biggest challenges awaiting Valverde?
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Make the stars happy
Valverde has managed at Athletic Bilbao, Villarreal, Valencia, Espanyol and Olympiakos, so the step up to Barcelona is a big one. He'll not just have more talent than he's ever had before -- he'll have to handle bigger egos.
That's not to say that Lionel Messi, Luis Suarez, Neymar and the rest of the Barcelona stars are especially egotisical, but there is a healthy amount of it in any great player and Valverde will be dealing with that in ways he never has. If the stars aren't happy, no one will be, and the results won't be pretty.
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Start rebuilding the midfield
Andres Iniesta and Sergio Busquets are two of the best midfielders of their generation. But that generation is nearly gone. They're both older players and that age is starting to show. While they are still brilliant at times, there are others where they're completely overrun.
Barcelona need to start bringing in new, younger midfielders and Valverde will be tasked with helping identify which ones, then making those new signings shine. If he can't, Barcelona are in trouble.
Develop the young players
This is the area where Valverde might be most well equipped, and it's probably a huge reason why Barcelona brought him in. Barcelona used to produce many of their own stars and it wasn't rare to see half of the team come from the academy, but Sergi Roberto and Rafinha are the only players to make it through to the first team in recent years.
Athletic Bilbao's Basque-only policy requires they develop their own talent, so Valverde had no choice but to bring the kids along .... and he did a great job of it. Aymeric Laporte, Inaki Williams and Inigo Lekue got their debuts under Valverde and became stars. He'll be asked to do the same with the Barcelona youngsters now.
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Show tactical flexibility
Valverde likes to use a fairly straightforward 4-2-3-1 system, but that won't work with Barcelona. Lionel Messi and Neymar are such brilliant but unique and versatile players that it's not wise to use them in a straightforward anything. Valverde will also have to figure out how to feed his stars the ball while supporting a defense that needs work. The good news is that Valverde usually has very good defensive teams.
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This one is obvious, but it's worth mentioning. Luis Enrique was facing heat earlier this season before announcing that he wouldn't return after the campaign ended, and he had a treble and double to his name at that point.
The expectations at Barcelona are sky high and Valverde won't get much of a grace period. He'll be expected to compete for every single trophy. He has to win, and he'll have to do it from the start. For a manager who has never won a trophy in Spain -- he did a very good job at his various clubs but they were facing an uphill battle against the country's elite -- that type of pressure is new for Valverde.