Tainio is one of four Spurs players targeted by Black Cats boss Keane

Sunderland have announced the signing of Tottenham midfielder Teemu Tainio.

The Finnish international, 28, has penned a three-year contract and is Roy Keane's first summer signing.

"Teemu has showed versatility, playing in different midfield positions for both Tottenham and his previous club, Auxerre," said Black Cats boss Keane.

"But his experience in particular and the fact he has played more than 40 international games shows he has a lot to offer Sunderland."

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Steed Malbranque, Younes Kaboul and Pascal Chimbonda have all been linked with a move to the North East as Keane looks to strengthen his side.

Tainio joined Tottenham in 2005 and played in 83 League and Cup matches in his three seasons at White Hart Lane.