Sorry its Felipe Gutierrez not Filipe. Bit strange you cant find Regattin though, He plays for Toulouse.
I forgot about Xherdan Shaqiri for Left Wingers.
Erm out of the Goalkeepers: Branescu is the best at 4.5 star which is similar to ter Stegen and Areola who are alot more expensive.
Right-Backs: Romario is a 4* PA im unsure on price though cause my scout forgot about that but hes got the same potential as Mario whose like £10m. Kvekveskiri is 3.5* PA and is very cheap. Also take a look at Mattias Johansson from Kalmarr FF, Hes about £675k and 3.5* PA.
Left-Backs: Marvin Plattenhardt is best at 4* PA, Never heard of him until i started this Ajax game and i found him at Nurnberg, Which is also strange because i was Dortmund for a season lol. Also check out Bochum's 21 year old lefty, Matthias Oztrzolek who is only £750k, 3* PA.
Centre-Halves: Prestia is 4.5*, Toro is 4.0* and so is Johan Martial who costs about 6.25m
Defensive-Midfielders: Emre Can is 4.5* from Bayern Munich though and hes German so he might take persuading. Guilavogui is 4*
Right-Wingers: Valencia, Saivet, Bacuna all 4*
Left-Wingers: Felipe Gutierrez is 4*, German Pacheco (in Strikers section) can also play left wing, 3.5* PA.
Attacking-Midfielders: Depending how long you keep players like Lodeiro, Eriksen, De Jong and Aissati and so many more at Ajax then the best from my list is that Adryan at 4.5* and only £700k, Bargain! Ive just got him at £1m. Scouted prices are never 100% correct.
Strikers: Sanogo at 4.5* PA. Eduardo Vargas, Benjamin Jeannot and Nelson Oliveira are all 4* PA.
There is also Leandro (Gremio) costs around 6.25m hes 4.5* PA.
EDIT: Take a look at all the players that cost under a million because youll make good profit on them.
Scout most of the BATE Borisov squad, Thats full of gems like Hutar, Skavysh and Baha.
What formation do you play with Ajax?