Frank Pearson vs. Glenn Spencer — Career Comparison

On the career pitching numbers, Frank Pearson posted a stronger line than Glenn Spencer. Frank Pearson posted stronger numbers in ERA (4.07 vs 4.53) and WHIP (1.313 vs 1.478). By the career numbers, Frank 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.