Monte Pearson vs. Al Sima — Career Comparison

On the career pitching numbers, Monte Pearson posted a stronger line than Al Sima. Monte Pearson posted stronger numbers in ERA (4 vs 4.61) and home runs allowed (0.52 per nine innings vs 0.9). By the career numbers, Monte Pearson 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.