'Several times when I hit him with punches I only saw the whites of his eyes. But then he put in a new gear and drove four-wheel drive like a damn truck.'

Nicknamed The Mauler, due to his power, killer instinct and recklessness whilst fighting; this is the story of Gustafsson's struggle to work his way up in the ranks of the UFC and to succeed in one of the world's most challenging sports.

The Mauler is a frank and at times painful account of a young man rapidly heading off the rails, and of his fight to reach the top of his game in an effort to change his life forever.'