Mac MacArthur vs. Unknown Shybaker — Career Comparison

On the career pitching numbers, Unknown Shybaker posted a stronger line than Mac MacArthur. Unknown Shybaker posted stronger numbers in ERA (1.8 vs 5.02) and WHIP (1.200 vs 1.500). By the career numbers, Unknown Shybaker 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.