Betis left-back Firpo is frequently linked with Barcelona and he has abused Messi on Twitter when he was 15
Barcelona have made an opening offer for Real Betis wing-back Junior Firpo reported by Diario Sport to be between €15m and €20m.
In an interview held by Diario Sport, Firpo says "If I have to apologize for my tweets when I was 15, I will".
When he was 15, he abused Messi 'son of xxxxx'.
