William Emmerich vs. Bob Macdonald — Career Comparison

Looking at the career totals, William Emmerich and Bob Macdonald are fairly close on the surface numbers. William Emmerich posted stronger numbers in WHIP (1.442 vs 1.506) and home runs allowed (0.78 per nine innings vs 1). Bob Macdonald had the advantage in ERA (4.34 vs 4.85). By the career numbers, William Emmerich 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.