Wally Holborow vs. Grant Roberts — Career Comparison

On the career pitching numbers, Wally Holborow posted a stronger line than Grant Roberts. Wally Holborow posted stronger numbers in ERA (3.31 vs 4.25) and home runs allowed (0.17 per nine innings vs 0.62). By the career numbers, Wally Holborow 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.