Aitor Karanka has revealed that he cannot trust Adama Traore to play alone - and so he swaps wings at half-time to keep him in front of the dugout.
The Middlesbrough boss prefers to have the talented wideman within earshot throughout the game and says he isn't yet ready to be left to his own devices.
Traore - who statistically is among the best five dribblers in Europe and five quickest players in the Premier League - was the subject of interest from Chelsea last month and, on his day, can look unplayable.
But Karanka said: 'Yes, it's true, I swap sides to keep him close.