Conor McGregor and Rory McIlroy have both told Off the Ball about their little black books – the personal diaries they keep in the hunt for perfection. Do all athletes follow this sort of mental process? And what do they put in there?

This week’s panel was John Butler, author and writer of current Irish hit film The Stag and RTE series Your Bad Self, Deirdre Ryan, 2012 Olympic high jumper, and Michael Foley, sports writer with The Sunday Times.

Listen to the full Panel discussion below, or download it on iTunes