Jim Buchanan vs. Carson Spiers — Career Comparison

On the career pitching numbers, Jim Buchanan posted a stronger line than Carson Spiers. Jim Buchanan posted stronger numbers in ERA (3.5 vs 5.69) and WHIP (1.245 vs 1.573). By the career numbers, Jim Buchanan 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.