 On 25 June 2008, Artur completed a transfer to Roma from Siena with his teammate Simone Loria in an exchange deal which had Roma goalkeeper Gianluca Curci move to Siena in a co-ownership deal and Roma midfielder Ahmed Barusso loaned to the Tuscan-based club.Daniele Galloppa, previously co-owned by Roma and Siena, became in effect a Siena player as part of the deal.Artur made his unofficial debut in Roma's first pre-season friendly of the 2008–09 season, a 3–1 defeat to Steaua București.