6. Tammy Abraham (50 million euro)
This season Tammy was the biggest and most influential transfer of the Italian League. With 4 goals and two assists in 15 games, this English player is still trying to impress the fans of Roma FC. Tammy came from Chelsea FC ( Premier League) to Roma (Serie A) this season. The style of play is quite different in Serie A from other leagues. In Serie A, the game generally goes slow in comparison to other leagues. This phase of Tammy is an adaptation phase, hopefully, he will be able to generate the same impact on games he was generating being a Chelsea player. Though his performance is really good, the expectation of Roma fans and management is really high from him. If Tammy plays near the penalty box his performance could get better as here he will get support from the mid-field of Roma.
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5. Memphis Depay ( Free)
Memphis Depay came to Barcelona where he was dreaming to play with Lionel Messi and Antoine Griezzmann as forwards. But soon after he came to the club both these forward players left Barcelona. Memphis with 8 goals and 2 assists in 15 games this season has proven his worth in the league. This player from the Netherlands is one of few good things that happened to Barcelona this season. Memphis also gave some important performances like the one against Valencia where he scored a goal and assisted a goal to Anshu Fati. This 27-year-old is one of the very few shining stars in Spanish leagues.
4. Rodrigo de Paul ( 35 million Euro)
Rodrigo De Paul has long been regarded as one of the most talented midfielders in Serie A, and it was always expected that he would leave Udinese for one of Europe's elite clubs this summer. But unfortunately, Atletico Madrid didn’t get a single match-winning performance from this Argentine. Rodrigo is a central midfielder. In Laliga he is playing against central midfielders like Sergio Busquet and Toni Kroos. Making an impact in a league where the bar is this high could be tough sometimes. This Argentine could surely find a way to enhance his performance in the second half of the season.
3. Achraf Hakimi (60 million Euro)
Hakimi is one of the best signings of PSG this season. He came from Inter who won the Italian league last season. His performance in the French league is better than what was expected during his arrival to the club. This 23-year-old has become the key in PSG defense in just half the season. Achraf Hakimi in the company of Spain legend Sergio Ramos is becoming one of the best defensive players of this era. Overall Hakimi is the first one on this list who is proven to be a good transfer deal.
2. Cristiano Ronaldo (20 million Euro)
The return of Cristiano Ronaldo to Old Trafford was one of the biggest talking points of this season in all of Europe. This Portuguese superstar is 36 but his presence on the pitch is still making a difference. With six goals and two assists in the league, he is ruling the hearts of Manchester United fans. It was anticipated that he will retake his old position of the midfielder at Old Trafford as his age does not allow him to play with the speed that a striker needs. But Ronaldo as usual is doing something exceptional and has surely uplifted the hopes of United fans in the Premier League.
1. Lionel Messi ( Free Transfer)
It took time for Messi to get settled in Paris, but now after three months, this Argentinian legend is showing his class again. In Barcelona, the game is generally planned around this genius. Here in PSG, he lost that privilege still his performance is exceptional. He scored two goals against Club Bragga in a Champions League match. He also scored a hat-trick of assists last week. The inclusion of Messi made Paris the favorites of the Champions League. What less can someone expect from an attack which contains Neymar, Mbappe, and Lionel Messi.
There are also transfers like that of Gianluigi Donnarumma, Sergio Ramos, Antoine Greizmann, Raphael Varene and Lukaku which must be mentioned. Overall this year's summer window has made few teams like Manchester United, PSG and Atletico Madrid stronger than ever. A match between these giants is much anticipated in upcoming matches of champions league.