FA Cup giantkillers Nottingham Forest appoint Karanka as new manager

After knocking holders Arsenal out of the FA Cup on Sunday, Nottingham Forest have appointed former Middlesbrough boss Aitor Karanka as their new manager.

Forest stunned the Gunners in a 4-2 victory at the City Ground under the guidance of caretaker manager Gary Brazil, having parted company with Mark Warburton last month.

And Karanka, who led Boro to the Premier League in 2015-16, has agreed a two-and-a-half-year contract with the two-time European champions, taking over with Forest 14th in the Championship.

"We are very pleased to have reached terms with Aitor Karanka to become the manager of Nottingham Forest," said chairman Nicholas Randall of the Spaniard, who left the Riverside Stadium…