Adam Peterson vs. Al Tedrow — Career Comparison

On the career pitching numbers, Al Tedrow posted a stronger line than Adam Peterson. Al Tedrow posted stronger numbers in ERA (1.21 vs 5.46) and home runs allowed (0 per nine innings vs 1.39). By the career numbers, Al Tedrow 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.