"Many players want to try their luck outside of Spain because it gets monotonous with just Barca and Real Madrid," he told Sphera Sports.
"Outside of Spain there are opportunities to win titles. In Spain, with the duopoly, there aren't. In addition, there are economic problems the country is facing.
"I don't think La Liga has taken a step back, but it's also true that great players like Negredo, Soldado, Navas, who are very important players in the league, have all left to the English Premier League and I think in that regard La Liga has lowered its quality."
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