Rick Anderson vs. Willie Jefferson — Career Comparison

Looking at the career totals, Rick Anderson and Willie Jefferson are fairly close on the surface numbers. Willie Jefferson posted stronger numbers in WHIP (1.314 vs 2.083) and home runs allowed (0.41 per nine innings vs 0.75). Rick Anderson had the advantage in ERA (3.75 vs 3.94). By the career numbers, Willie Jefferson 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.