Cliff Lee vs. Roy Halladay: Which Is the Bigger Postseason Ace?

The Texas Rangers and Philadelphia Phillies are in their respective league championship series thanks in large part to their pitching aces Cliff Lee and Roy Halladay.

Lee mowed down the Tampa Bay Rays by going 2-0 in 16 innings and allowing only two runs. 

Halladay is throwing in his first postseason ever. He only has one start, but it was a dandy has he no-hit the Cincinnati Reds, only the second no-hitter in postseason history.

Now, who is more scary in the postseason? Both have filthy career numbers and Cy Young awards. Both are in their prime. Who would batters rather not face right now?

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