Rafael Martin vs. Colin Selby — Career Comparison

Looking at the career totals, Rafael Martin and Colin Selby are fairly close on the surface numbers. Rafael Martin posted stronger numbers in ERA (4.5 vs 6.2) and WHIP (1.125 vs 1.556). Colin Selby had the advantage in home runs allowed (1.2 per nine innings vs 2.25). By the career numbers, Rafael Martin 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.