Scott McGregor vs. Al Spalding — Career Comparison

On the career pitching numbers, Al Spalding posted a stronger line than Scott McGregor. Al Spalding posted stronger numbers in ERA (2.13 vs 3.99) and WHIP (1.193 vs 1.303). By the career numbers, Al Spalding 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.