sentences:  Known as "The American Boy", Litzau began boxing at 11 years old and reportedly compiled an amateur record of 125-10 Litzau is a former Silver Gloves national champion, having finished second at the 2001 U.S. Championships and earning a spot on the 2001 U.S. National team.Litzau turned pro in 2002.Litzau turned pro on November 16, 2002 and as of September 2013 had a record of 29-3 with 22 knockouts.