Complex sentence: Cutler captained the Under-17 team that finished 4th in the 1999 FIFA Under-17 World Championships in New Zealand--the best finish of any US men's team at a FIFA World Championship.
Split into simpler sentences: Cutler captained the Under-17 team that finished 4th in the 1999 Fifa Under 17 World Championships in New Zealand. The 4th place is the best finish of any US Men's team at a FIFA World Championship.