John Halama vs. Ossie Orwoll — Career Comparison

Looking at the career totals, John Halama and Ossie Orwoll are fairly close on the surface numbers. Ossie Orwoll had the edge in home runs allowed (0.86 per nine innings vs 1.12). By the career numbers, Ossie Orwoll 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.