Greg Holland vs. Earl Mattingly — Career Comparison

Looking at the career totals, Greg Holland and Earl Mattingly are fairly close on the surface numbers. Earl Mattingly posted stronger numbers in ERA (2.51 vs 3.14) and home runs allowed (0 per nine innings vs 0.71). Greg Holland had the advantage in WHIP (1.238 vs 1.744). By the career numbers, Earl Mattingly 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.