Unknown Brown vs. Matt Swarmer — Career Comparison

On the career pitching numbers, Unknown Brown posted a stronger line than Matt Swarmer. Unknown Brown posted stronger numbers in ERA (4.91 vs 5.03) and home runs allowed (1.23 per nine innings vs 3.18). By the career numbers, Unknown Brown 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.