Bournemouth midfielder Philip Billing has revealed his fears over heading the ball in matches, amid growing concerns over player safety.
The Danish international is one of the few players to speak openly about the issue that his become so prominent within the modern game.
In recent weeks, talks over the current concussion substitution rules in the game have been rife, as football's lawmakers look to offer more protection to players.
And it's understandable as to why they are doing so, with more and more ex-pros suffering the consequences from their actions on the pitch.