Chris Roycroft vs. Mason Thompson — Career Comparison

Looking at the career totals, Chris Roycroft and Mason Thompson are fairly close on the surface numbers. Chris Roycroft posted stronger numbers in WHIP (1.582 vs 1.667) and home runs allowed (0.65 per nine innings vs 0.87). Mason Thompson had the advantage in ERA (5.21 vs 5.56). By the career numbers, Chris Roycroft 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.