Brendan Donnelly vs. Diego Moreno — Career Comparison

On the career pitching numbers, Brendan Donnelly posted a stronger line than Diego Moreno. Brendan Donnelly posted stronger numbers in ERA (3.22 vs 5.06) and home runs allowed (0.82 per nine innings vs 1.13). 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.