Nottingham Forest have parted company with head coach Aitor Karanka, with the club just outside the Championship play-off places.
The 45-year-old took charge at the City Ground in January 2018, having previously guided Middlesbrough to promotion to the Premier League in 2016.
Karanka started his senior coaching career as an assistant at Real Madrid, the club where he spent five years as a player, in between two spells with Athletic Bilbao.
A short statement from Forest confirmed: "Aitor Karanka has asked to be released from his contract as the manager of Nottingham Forest Football Club.
"The club have agreed to this request and the terms of departure have been agreed. Both parties wish each other every success for the future and there will be no further comment from either party."
Forest, currently seventh in the table, have only won one of their last six Championship games, but that victory came last time out when they saw off table-toppers Leeds United 4-2 at the City Ground.
Following that, what turned out to be Karanka's last game in charge came in a 2-0 FA Cup third round defeat at Chelsea.
The Midlanders are back in action on Saturday when they travel to lowly Reading, with the visitors side 6/5 to win the game, while the draw is priced at 12/5 and a 1-1 final scoreline is available at 5/1.
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