The term 'Montreal Athlete' can be summarized by the crossword solution EXPO, which is a four letter word. EXPO is an abbreviation for the Montreal Expos, a Major League Baseball team that was based in Montreal, Quebec from 1969 to 2004. The Montreal Expos were the first Major League Baseball franchise located outside of the United States. The team was known for its talented players, including Hall of Famers Gary Carter and Andre Dawson.