Colback pens new Sunderland deal

Sunderland midfielder Jack Colback has been rewarded for his early-season form with a two-year contract extension.

The 22-year-old, who has lined up at left-back in the club's most recent games amid a defensive injury crisis, will remain on Wearside until June 2014 under the new agreement.

Tyneside-born Colback has appeared in 20 of the club's 21 games to date this season and scored his first senior goal in the 1-1 Barclays Premier League draw with Everton on Boxing Day.

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