Original sentence: Frankie Raymond Gavin (born September 28 1985) is a British amateur boxer from Birmingham, England who won the gold medal at the 2007 World Amateur Boxing Championships to become English boxing's first ever World Amateur champion
Edited sentence: Frankie Raymond Gavin (born September 28 1985) is a British professional boxer from Birmingham, England who, whilst an amateur, won the gold medal at the 2007 World Amateur Boxing Championships to become English boxing's first ever World Amateur champion