 Complete the following phrase:  He began refereeing in 1973, starting in the high school leagues. He joined the US Soccer Federation referee programme in 1975, and moved up to the North American Soccer League. He was awarded his FIFA badge on 1 January 1988. He refereed at the 1989 FIFA World Youth Championship in Saudi Arabia, refereeing the match between Argentina and Norway. In 1990, he was added to FIFAs list of potential referees for the 1994 World Cup, and was eventually among the final 24 selected. He refereed two matches at the 