#1 Goncalo Guedes

Last but not least, Goncalo Guedes. The timing could not be better from PSG's perspective, as Guedes is coming off the back of an impressive campaign in La Liga with Valencia - where he netted six goals and created 11 more.
He played an integral part in Los Che's frontline throughout as they finished fourth, claiming UEFA Champions League qualification in the process. Predominantly a winger, who can play in various attack-minded positions, Valencia are very interested in completing a permanent deal for the Portugal international.
With that in mind, other clubs are also interested. Premier League sides Arsenal and Wolves have both been linked in recent weeks, while Manchester United was said to be put off by such an expensive valuation of €80m (£71m).
It's unlikely they will get that much for him, though at 21, he has plenty of potential to fulfill and will presumably do so - provided he is given an opportunity, unlikely the lack of chances granted at PSG prior to his Spanish loan spell.
The club was naive to spend £27m and immediately expect big things from such a raw youngster, who barely had half a season's experience in Portugal's top division beforehand. Now though, they're likely to benefit from his personal achievements over the past twelve months - as well as potential to succeed in future.