With the Phillies signing Cliff Lee, they create an unstoppable rotation that seems poised to steamroll the competition in 2011 to a World Series title.
Few teams will be able to stand in their way, but one team poses the greatest threat to them: the St. Louis Cardinals.
The Cardinals have the pieces in place that could help them stand up to the Phils and beat them in a five- or seven-game series.
Here are the top 10 reasons why.