Robert Coello vs. Ken Ray — Career Comparison

Looking at the career totals, Robert Coello and Ken Ray are fairly close on the surface numbers. Robert Coello posted stronger numbers in WHIP (1.552 vs 1.734) and home runs allowed (0.93 per nine innings vs 1.25). Ken Ray had the advantage in ERA (5.13 vs 5.9). By the career numbers, Robert Coello 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.