Happ or Pedro?

A huge decision the Phillies will have to make is who there 4th starter will be for the NLDS. It's down to JA Happ or Pedro Martinez. Here is a short list of positives for each player to consider:

Pedro (RHP):
-Has pitched will in September.
-Has been in the playoffs before and has the composure to pitch when it matters.
-He's 100% healthy.
-Will balance the playoff rotation with two lefties and two righties.

Happ (LHP):
-Has been the Phillies best pitcher since he became the starter.
-Colorado's line up features lefties.
-Earned a CG SHO in August versus Colorado.