Complex sentence: Al Leiter of the New York Mets earns a win over the Arizona Diamondbacks, to become the first pitcher in Major League history to record wins over all 30 franchises that have existed since 1901.
Split into simpler sentences: Al Leiter of the New York Mets earns a win over the Arizona Diamondbacks. He is the first pitcher in history to record wins over all 30 Major League franchises that have existed since 1901.