Dr Peter Brukner in the studio

Liverpool's former head of sports medicine and sports science discusses his discipline with Danny Kelly.

He looks at the effects of head injuries following Dan Potts&#39; clash of heads during <a class="link" rel="nofollow" target="_blank" href="/sports-news/football/clubs/t21/westham">West Ham</a>&#39;s game with <a class="link" rel="nofollow" target="_blank" href="/sports-news/football/clubs/t3/arsenal">Arsenal</a>.

And he tells us about <a class="link" rel="nofollow" target="_blank" href="/sports-news/football/players/p14402/fernando-torres">Fernando Torres</a>&#39; injury problems and gives us his thoughts on why he&#39;s mis-firing at Chelsea.

<a class="link" rel="nofollow" target="_blank" href="http://www.talksport.co.uk/radio/kickoff/130124/dr-peter-brukner-studio-190091" target="_blank">read more</a>