Chelsea beat Manchester United to the signing of Pedro after a combination of a phone call from Mourinho and a word from former team mate Fabregas which convinced the Spanish player to move to London.
But what does his arrival mean for this Chelsea team?
It shows that Chelsea have reacted to their poor start to the Premier League season by quickly moving to freshen the team up by buying Pedro, Baba Rahman and bidding for John Stones.
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But with Pedro coming in, surely it marks the end for Colombian winger Juan Cuadrado who just simply hasn't had the time to adapt to the English game. This leaves Pedro competing with Victor Moses, Willian and Oscar for a starting place.
From World Cup and Champions League winner to recently scoring the decisive goal in the Super Cup for Barcelona, Pedro is a highly decorated player for club and country. One big thing he brings to Chelsea is a winning mentality and the hunger to win trophies due to his fresh challenge; which can only help as the Blues look to retain their Premier League crown.
Whereas he isn't as silky as Eden Hazard his main traits are his pace, his movement and his finishing. Last year, he wasn't given the game time he deserved as possibly the greatest front three of all time of - Messi, Suarez and Neymar caused havoc across Spain and Europe - meaning Pedro only managed six goals and six assists. However, he had a very good goal per minute ratio, which shows, when he was called upon, he could contribute.
Mostly, Pedro just adds to the quality in the attack and his movement will allow Hazard, Oscar and Cesc Fabregas to find more space, while he will also pull defenders away from target man Diego Costa.
He does look to be a fantastic coup for Chelsea, but he needs to ignite a title challenge for a team who are now five points behind Manchester City after two games played. Can he do it? We shall see - but let's all look forward to seeing him in the Chelsea blue.