Complex sentence: After graduating from RGS, Decker signed with Wycombe Wanderers before moving to the United States in 1950 where he joined New York Hakoah of the American Soccer League (ASL).
Split into simpler sentences: After graduating from RGS, Decker signed with Wycombe Wanderers before moving to the United States in 1950. When he arrived in the U.S. he joined New York Hakoah of the American Soccer League (ASL).