SERIE A 2017-18: 5 key players signed in the off season

ROME (AP) - Here's a look at five offseason signings to watch in the upcoming Serie A season:

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LEONARDO BONUCCI

Considered Italy's top defender - which is saying a lot for a nation that prides itself on its great defenders - Bonucci's transfer from Juventus to AC Milan could alter the balance of power in Serie A.

While Bonucci clashed often with Juventus coach Massimiliano Allegri last season, his decision to leave the six-time defending champion was still surprising.

The 30-year-old Bonucci brings leadership qualities and will allow Milan coach Vincenzo Montella to employ a three-man defense that promotes the center back's excellent passing skills.

Bonucci's transfer fee topped 40 million euros ($45 million), and he signed a five-year contract worth up to 10 million euros ($11 million) per season - making him the highest-paid player in Italy.

Milan won the last of its 18 Serie A titles in 2011 - just before Juventus' current reign started.

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FEDERICO BERNARDESCHI

One of Italy's top young players, the 23-year-old winger will provide a new attacking dimension for Juventus following a move from Fiorentina.

Also capable as a playmaker, there was pressure for Bernardeschi to take the No. 10 shirt that Michel Platini, Roberto Baggio and Alessandro Del Piero wore at Juventus. Bernardeschi cautiously chose No. 33 instead, saying he needs to show that he "deserves" No. 10 in the future.

Juventus paid a transfer fee of 40 million euros ($45 million) for Bernardeschi and signed him to a five-year contract worth 4 million euros ($4.6 million) per season.

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BORJA VALERO

Another Fiorentina export, this Spanish passing wizard could provide Inter Milan with the touch of class that it lacked during a tumultuous campaign last season that included four managerial changes.

At 32, Valero has long been overlooked by Spain's national team but he was a fan favorite at Fiorentina.

The bald-headed midfielder's vision on the pitch can be compared to Andrea Pirlo's skills, although he's not as precise on free kicks as the former Italy international.

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ANDRE SILVA

Cristiano Ronaldo's wingman with Portugal, the 21-year-old Silva has been compared to a young Fernando Torres, the former Spain striker currently playing for Atletico Madrid.

At AC Milan, the tall forward should be a constant danger on set pieces inside the area.

Silva has already scored eight goals in just 13 matches for his national team.

He also scored 21 times in 44 matches for FC Porto last season, before joining Milan in a transfer that cost 38 million euros ($42.5 million).

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MATTIA DE SCIGLIO

Mattia De Sciglio's transfer from AC Milan was not greeted with too much enthusiasm by Juventus fans.

The fullback was brought in as a replacement for Dani Alves, who departed for Paris Saint-Germain, and supporters believe it's a downgrade.

But De Sciglio is reliable at either right or left back and is still developing at 24 years old - even though he made his Serie A debut at 18.

It will be interesting to see if De Sciglio can prove the doubters wrong, and if he can fit into Massimiliano Allegri's preferred three-man defense.

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Andrew Dampf on Twitter: www.twitter.com/asdampf