ESPN.com · Nov 20, 2016
Middlesbrough were 'almost perfect' in Chelsea loss - Aitor Karanka
Chelsea are top of the league thanks to a first-half strike from Diego Costa.MIDDLESBROUGH, England -- Aitor Karanka insisted that one mistake condemned his Middlesbrough team to defeat against Chelsea after a performance he described as "almost perfect."
Diego Costa's 10th goal of the Premier League season proved the only difference between the two teams at the Riverside Stadium, with the Spain international pouncing on a moment of confusion in the Middlesbrough defence following Eden Hazard's corner to hook the ball past Victor Valdes.