 Complete the following phrase:  Andre Michael Berto born September 7, 1983 is a professional boxer who holds dual American and Haitian citizenship. He is a two-time former welterweight world champion, having held the WBC and IBF titles between 2008 and 2011, as well as the WBA interim title in 2015. As an amateur he won the National Golden Gloves tournament in 2001 at light middleweight and 2003 welterweight, and would represent the U.S. at the 