Arsenal have confirmed forward Gabriel Martinelli has signed a new deal at Emirates Stadium after impressing for the Premier League leaders.
Things could have been tense between club-mates Kylian Mbappe and Lionel Messi after the World Cup, but the latter says there is no issue.
The Brazil international has scored seven goals in the league this season.
Arsenal bid for Moises Caicedo at the end of the January transfer window, but Brighton and Hove Albion stood their ground.