Complex sentence: He is also one of five pitchers to pitch no-hitters in both leagues; with the second no-hitter, in 2004, he became the oldest pitcher in major league history to throw a perfect game.
Split into simpler sentences: He is also one of five pitchers to pitch no-hitters in both leagues. With the second no-hitter in 2004, he became the oldest pitcher in major league history to throw a perfect game.