What do managers really write down during games?
The black books, the hastily scribbled notes before a corner, a glance to write down an important observation.
They can be the difference between victory or defeat, with a tactical switch having the potential to be the game-changer.
Jose Mourinho was a keen taker of notes, the 'Special One' advocated the importance of it during his second spell at Chelsea.
"I read the first half, I take my notes, I prepare my interventions at half-time based on the notes and where I feel I can help my players.