Rafael Dolis vs. John Perkovich — Career Comparison

On the career pitching numbers, Rafael Dolis posted a stronger line than John Perkovich. Rafael Dolis posted stronger numbers in ERA (4.57 vs 7.2) and home runs allowed (0.72 per nine innings vs 5.4). By the career numbers, Rafael Dolis 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.