Justin Miller vs. Allan Simpson — Career Comparison

Looking at the career totals, Justin Miller and Allan Simpson are fairly close on the surface numbers. Justin Miller posted stronger numbers in ERA (4.62 vs 6.06) and WHIP (1.278 vs 1.694). Allan Simpson had the advantage in home runs allowed (0.92 per nine innings vs 1.54). By the career numbers, Justin Miller 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.