He's well overpriced for what he offers. He's bang average in terms of chances created per 90 minutes played. Aged 28, will have no resale value.
Mata, Mkhitaryan, Rooney, Zaha, and even the cursed
Januzaj all offer slightly better chances created per 90 minutes played.
Andreas Pereira is equal with him. Instead, we need to buy younger players like
Ousmane Dembélé, Bernardo Silva, or
Thomas Lemar. Buy players who are doing well but have the potential to up a gear after a year or two playing here. If we must spend £50m then buy James Rodríguez.