Robbie Erlin vs. Bob Shawkey — Career Comparison

On the career pitching numbers, Bob Shawkey posted a stronger line than Robbie Erlin. Bob Shawkey posted stronger numbers in ERA (3.09 vs 4.87) and home runs allowed (0.35 per nine innings vs 1.13). By the career numbers, Bob Shawkey 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.