Madison Bumgarner vs. Zebby Matthews — Career Comparison

On the career pitching numbers, Madison Bumgarner posted a stronger line than Zebby Matthews. Madison Bumgarner posted stronger numbers in ERA (3.47 vs 5.92) and WHIP (1.172 vs 1.538). By the career numbers, Madison Bumgarner 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.