Carlos Almanzar vs. Ron Keller — Career Comparison

Looking at the career totals, Carlos Almanzar and Ron Keller are fairly close on the surface numbers. Ron Keller had the edge in ERA (3.38 vs 4.82). By the career numbers, Ron Keller 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.