The Phillies franchise was in its 33rd season in 1915. They had been moderately successful overall up to that point, with a .510 winning percentage, and were about to complete their 20th winning season out of 33. But while they had finished second three times in that period, they had never won anything so far.
That all changed one hundred years ago today, on September 29, 1915, when the Phillies beat the second place Braves 5-0 in Boston to clinch the National League pennant. Grover Cleveland Alexander was masterful again that day, throwing his 4th one-hitter (and 12th shutout) of the season.