 Complete the following phrase:  William Irwin born 20 May 1968 in Niagara Falls, Ontario, nicknamed Billy the Kid, is a retired Canadian amateur lightweight and professional lightlight welterwelterweight boxer of the 1990s and 2000s who as an amateur won a bronze medal in the Boxing at the 1991 Pan American Games in Havana, Cuba, losing to eventual silver medal winner Patrice Brooks of the United States, represented Canada at the 