John Halama vs. Red Keys — Career Comparison

On the career pitching numbers, Red Keys posted a stronger line than John Halama. Red Keys posted stronger numbers in ERA (3.38 vs 4.65) and home runs allowed (0 per nine innings vs 1.12). By the career numbers, Red Keys 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.