I prefer Diaz as well, but let's not pretend there were not quite a few good arguments going Ferrans way:
1) He's Spanish, chemistry with Pedri etc pp.
2) He's 3 years younger.
3) More prolific by the looks of it.
4) Payment structure (as mentioned already).
I don't think we will regret choosing Ferran over Diaz though (not that we had the choice). Both are pretty close. It's not like loosing Ronaldinho to a bum
1) He's Spanish, chemistry with Pedri etc pp.
2) He's 3 years younger.
3) More prolific by the looks of it.
4) Payment structure (as mentioned already).
I don't think we will regret choosing Ferran over Diaz though (not that we had the choice). Both are pretty close. It's not like loosing Ronaldinho to a bum