Carter Capps vs. Ron Keller — Career Comparison

Looking at the career totals, Carter Capps and Ron Keller are fairly close on the surface numbers. Carter Capps posted stronger numbers in WHIP (1.348 vs 1.453) and home runs allowed (1.04 per nine innings vs 1.27). Ron Keller had the advantage in ERA (3.38 vs 4.21). By the career numbers, Carter Capps 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.