Barcelona midfielder Sergi Roberto is backing their pursuit of Celta Vigo attacker Nolito.
Barca and Arsenal are battling for Nolito ahead of the winter market.
Roberto said: "I would be delighted if Nolito returned.
"We played together in the same youth team. A lot of time has passed and he has improved a lot."
It's been revealed Nolito's Celta deal carries a €30 million buyout clause.