With Manchester United having been linked with Cristiano Ronaldo before he left Real Madrid for Juventus, Red Devils manager Jose Mourinho has now commented on the player's switch.
Ronaldo was unveiled as the Bianconeri's latest addition on Monday night, after the Italian giants and Los Blancos agreed a €100 million (R1.55 billion) transfer fee.
Mourinho, who coached the 33-year-old between 2010 and 2013 at the Santiago Bernabeu, believes Ronaldo will be the reason for the Serie A improving as a league.
"The Spanish league has just lost one of the two best players in the world," he told AS.
"Now one is there in Spain, Messi, and the other is in Italy, Cristiano Ronaldo.
"Together with England, Italy is the most competitive league, with the most best players in it. Now we'll see football in three dimensions. Now everybody will be looking at Italy because of Cristiano, at Spain for Messi and England for their league.
"Right now, it's Serie A which has become the most important championship in the world. In football everything can change, the perspective of teams such as Inter, Milan and Roma change now.
"Now Juve is a lot stronger with Cristiano, they'll keep winning, they're motivated by the signing. He brings an increase in quality, attention and emotions to Serie A."
Ronaldo scored 450 goals in 438 matches for Real, with whom he won four of the five UEFA Champions League titles he has to his name.
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