Don Ferrarese vs. George Mack — Career Comparison

On the career pitching numbers, Don Ferrarese posted a stronger line than George Mack. Don Ferrarese posted stronger numbers in ERA (4 vs 7.19) and WHIP (1.494 vs 1.890). By the career numbers, Don Ferrarese 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.