Jonathan Bowlan vs. Mason Thompson — Career Comparison

Looking at the career totals, Jonathan Bowlan and Mason Thompson are fairly close on the surface numbers. Jonathan Bowlan posted stronger numbers in ERA (4.32 vs 5.21) and WHIP (1.360 vs 1.667). Mason Thompson had the advantage in home runs allowed (0.87 per nine innings vs 1.8). By the career numbers, Jonathan Bowlan 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.