Complex sentence: On May 4,1995, Caliguiri returned to the United States from Germany to sign with the Los Angeles Salsa of the American Professional Soccer League to gain match fitness before the U.S. national team's games that summer.
Split into simpler sentences: On May 4 1995, Caliguiri he returned to the U.S. from Germany to sign with the Los Angeles Salsa of the American Professional Soccer League. He decided to play for the Salsa as a way of gaining match fitness before the U.S. national team games that summer.