#1 The forward trio: Ronaldo (LWF) - Dybala (CF/SS) - Bernardeschi (RWF)

Sarri loves to keep his best player on the left-wing. In Napoli, it was Insigne. In Chelsea, it was Hazard. Both players were exceptional during their respective seasons with Maurizio Sarri, and it doesn't look like that will change at Juventus.
Ronaldo is arguably the best player in the world, and he fits perfectly in that left-wing forward position that Sarri uses so efficiently. It wouldn't be unexpected to see Ronaldo bang in goals more fluently this coming season than he did under Allegri.
As for his replacement during rotations, Moise Kean is capable of taking Sarri's left-wing mantle when required.
Bernardeschi is capable of being Sarri's right-wing man. Added to the fact that there aren't that many options available for the Italian giants, Bernardeschi is fit as a fiddle and maintained great form last season.
While he will not be Sarri's focal point of attack, he will certainly remain a threat on the field, and will easily take his chances when those opportunities arise.
Paulo Dybala will likely be Sarri's first choice for the center-forward position. While much noise has been made about his unquenchable relationship with Higuain, the 31-year-old Argentine did not do enough at Chelsea to convince Sarri to choose him again.
Dybala on the other hand, is barrels laden with potential. Dries Mertens took up this position in Napoli under Sarri, and this enhanced the left-wing focal point of attack even more. Dybala would not have much of a problem playing as Sarri's second striker, rather than a winger during Allegri's era.