A five-game playoff series shines a light on every aspect of your team. Stars will shine brighter and flaws will be exposed.

In this National League Division Series, the St. Louis Cardinals and Pittsburgh Pirates share at least one similar strength: a quality bullpen of mostly young arms.

Look at some of the key season stats:

Category
Cardinals
Pirates

FIP
2nd (3.26)
4th (3.35)

SIERA
1st (3.19)
5th (3.39)

ERA-
8th (95)
2nd (79)

K%
5th (22.4%)
13th (20.1%)

BB%
1st (7.4%)
2nd (7.8%)

LOB%
9th (75.1%)
3rd (78.3%)

Two similarities about the bullpens stick out: both rely on limiting walks and generating ground balls. Although the Cardinals' bullpen looks like the more talented one overall, the Pirates' bullpen has had better results...

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