Nottingham Forest have signed Jack Colback.
The 30-year-old midfielder returns to the City Ground following his release by Premier League Newcastle United at the end of last season.
He has previously enjoyed two successful loan spells with the Reds, playing over 50 league games for the club.
"Nottingham Forest are delighted to announce that midfielder Jack Colback has signed a permanent contract with the club," said Forest in a statement.
"The former Sunderland and Newcastle man made over 200 appearances in the North East regularly featuring in the Premier League before enjoying two successful loan spells at The City Ground where he made over 50 appearances in the Garibaldi."
