Brendan Donnelly vs. Mason Thompson — Career Comparison

On the career pitching numbers, Brendan Donnelly posted a stronger line than Mason Thompson. Brendan Donnelly posted stronger numbers in ERA (3.22 vs 5.21) and WHIP (1.277 vs 1.667). By the career numbers, Brendan Donnelly 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.