Complex sentence: Domingo Emilio Martínez La Fontaine (born August 4,1965 in Santo Domingo, Dominican Republic) is a former professional baseball player who played for the Toronto Blue Jays in the major leagues, and the Seibu Lions and Yomiuri Giants in Nippon Professional Baseball.
Split into simpler sentences: Domingo Emilio Martínez La Fontaine (born August 4,1965) is a former professional baseball player from Santo Domingo, Dominican Republic. He played for the Toronto Blue Jays in the major leagues, and the Seibu Lions and Yomiuri Giants in Nippon Professional Baseball.