Roy Keane was the most controversial footballer of his generation. And the most influential. He captained Manchester United during an era in which they dominated English football. He made friends. He made enemies. He walked out of a World Cup and divided a nation. And his beloved Labrador Retriever Triggs was at his side through it all. Their walks became the stuff of 24-hour, rolling news legend. Now, in the most eagerly awaited football memoir of the decade, Triggs finally reveals the part she played in the extraordinary drama of her master's life.