Greg Shanahan vs. Roy Thomas — Career Comparison

Looking at the career totals, Greg Shanahan and Roy Thomas are fairly close on the surface numbers. Greg Shanahan posted stronger numbers in ERA (3.57 vs 3.82) and WHIP (1.324 vs 1.455). Roy Thomas had the advantage in home runs allowed (0.71 per nine innings vs 1.19). By the career numbers, Greg Shanahan 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.