The Chile superstar, who cut short his holiday to finalise the transfer in London, completed a medical and agreed a four-year contract — with the option of a further 12 months — worth up to £140,000-per-week. The package will put him on a par with current top earner Mesut Ozil.
Here are his first words as an Arsenal Player
‘I’m so happy to be joining Arsenal, a club which has a great manager, a fantastic squad of players, huge support around the world and a great stadium in London,’ said the 25-year-old.
‘I’m looking forward to meeting my new team-mates and to be playing for Arsenal in the Premier League and Champions League.
‘I will give my best to Arsenal and want to make all the supporters happy.’