Robin Roberts vs. Brandon Walter — Career Comparison

On the career pitching numbers, Robin Roberts posted a stronger line than Brandon Walter. Robin Roberts posted stronger numbers in ERA (3.41 vs 4.23) and home runs allowed (0.97 per nine innings vs 1.53). By the career numbers, Robin Roberts 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.