Chelsea are reportedly planning to make a move for Gremio midfielder Arthur.
The 21-year-old has attracted attention from a handful of major clubs with his performances this season, proving a key player for the Brazilian outfit in their Copa Libertadores campaign.
Manchester United were recently credited with an interest in the player, with Chelsea, Barcelona and Atletico Madrid also keen.
Antonio Conte sees the player as a potential long-term successor to Cesc Fabregas, according to The Mirror.
Arthur has two years to run on his Gremio contract, which is understood to include a £44m release clause.