To sub or not to sub? The case for and against bringing in a 23rd player – The Age

Hawthorn coach Alastair Clarkson told SEN radio that senior coaches were undivided in their support for a new concussion sub and had discussed gearing the rule exclusively to players 21 and under.
Clarkson suggested coaches would seek to exploit the rule by bringing on experienced players late in games.
But the four-time premiership coach said forbidding players over 21 to be named as the concussion sub would safeguard against this, as well as providing an opportunity for young players to gain experience.
…

Click here to view the original article.