Bill Butler vs. Luis Morales — Career Comparison

Looking at the career totals, Bill Butler and Luis Morales are fairly close on the surface numbers. Luis Morales posted stronger numbers in ERA (3.14 vs 4.21) and WHIP (1.151 vs 1.479). Bill Butler had the advantage in home runs allowed (0.99 per nine innings vs 1.48). By the career numbers, Luis Morales 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.