Joe Kostal vs. Phil Seibel — Career Comparison

Looking at the career totals, Joe Kostal and Phil Seibel are fairly close on the surface numbers. Phil Seibel had the edge in WHIP (1.364 vs 2.000). By the career numbers, Phil Seibel had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.