Conor McGregor’s trainer tells the amazing story of his long road to success in the world’s fastest growing sport

In Win or Learn, John Kavanagh tells his own remarkable life story – which is at the heart of the story of the extraordinary explosion of MMA in Ireland and globally. Employing the motto ‘win or learn’, Kavanagh has become a guru to young men and women seeking to master the arts of combat. And as the trainer of the world’s most charismatic male MMA champion, his gym has become a magnet for talented fighters from all over the world. Kavanagh’s portrait of Conor McGregor – who he has seen in his lowest moments, as well as in his greatest triumphs – is a revelation.

What emerges from Win or Learn is a remarkable portrait of ambition, discipline, and persistence in the face of years and years of disappointment. It is a must read for every MMA fan – but also for anyone who wants to understand how to follow a dream and realize a vision.

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