I, Keano is a comedy musical play about footballer Roy Keane leaving the Republic of Ireland national football team before the 2002 FIFA World Cup.It is written by Arthur Mathews, Michael Nugent and Paul Woodfull, and is presented as a mock-epic melodrama about an ancient Roman legion preparing for war.In its first two years, it had sales of over half a million tickets, generating €10m ($13m) in ticket sales.