Fun Fact: On May 5th, 1904, Cy Young threw the first perfect game in modern baseball history. Young, who played for the Boston Americans, achieved this remarkable feat in a game against the Philadelphia Athletics.by johnataylor on TwosFun Fact: On May 5th, 1904, Cy Young threw the first perfect game in modern baseball history. Young, who played for the Boston Americans, achieved this remarkable feat in a game against the Philadelphia Athletics.