Sunderland have completed the signing of USA international Jozy Altidore from Dutch side AZ Alkmaar for an undisclosed fee.
The 23-year-old has agreed a four-year deal at the Stadium of Light and becomes Paolo Di Canio's sixth summer signing. The forward will now join the rest of squad at their pre-season training camp in Italy.
Altidore told the club's official website:
Altidore began his career in Major League Soccer with New York Red Bulls before moving to Spanish side Villarreal in 2008.
The New Jersey-born forward then had loan spells with Xerez, Besiktas and Premier League side Hull City in 2010/2011 before securing a permanent deal with AZ in July 2011.
He scored 31 goals in 41 games in all competitions last season, helping the club lift its first KNVB Cup in 31 years.
Video: Altidore rattles Rob Green's post during USA's match against England at World Cup 2010 in South Africa.