Complex sentence: Simmons led the A's to the AL pennant in 1929 as Philadelphia went 104-46, finishing 18 games ahead of the New York Yankees, and the A's went on to defeat the Chicago Cubs in five games to win the World Series.
Split into simpler sentences: Simmons led the A's to the AL pennant in 1929 as Philadelphia went 104-46, finishing 18 games ahead of the New York Yankees. The A's went on to defeat the Chicago Cubs in five games to win the World Series.