John Foster vs. Domingo Tapia — Career Comparison

On the career pitching numbers, Domingo Tapia posted a stronger line than John Foster. Domingo Tapia posted stronger numbers in ERA (4.21 vs 4.9) and home runs allowed (0.62 per nine innings vs 1.63). By the career numbers, Domingo Tapia 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.