Hayden Birdsong vs. George Mogridge — Career Comparison

On the career pitching numbers, George Mogridge posted a stronger line than Hayden Birdsong. George Mogridge posted stronger numbers in ERA (3.21 vs 4.77) and WHIP (1.287 vs 1.438). By the career numbers, George Mogridge 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.