3. Jackson Martinez
We don't know how they do it but Porto have a special ability to replace star strikers with cheaper, equal alternatives.
After losing Radamel Falcao to Atletico Madrid they signed Jackson Martinez as a replacement.
This time last year, he was only just starting to find his feet but he has now come to be known as one of the most deadly strikers in Europe and has been courted by a number of Premier League clubs as a result.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms