Triple M's Mark Geyer reacts to the news the NRL are introducing a mandatory 11-day stand-down period for concussion & previews the 'Book of Feuds' blockbuster! 

<p>Triple M's Mark Geyer reacts to the news the NRL are introducing a mandatory 11-day stand-down period for concussion &amp; previews the 'Book of Feuds' blockbuster! </p>

Join Triple M Breakfast with Mick Molloy & Mark 'MG' Geyer. 6-9am Weekdays on Sydney's 104.9 Triple M or anytime on the LiSTNR App.

<p>Join Triple M Breakfast with Mick Molloy &amp; Mark 'MG' Geyer. 6-9am Weekdays on Sydney's 104.9 Triple M or anytime on the LiSTNR App.</p>

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