William Emmerich vs. Jeff Richardson — Career Comparison

Looking at the career totals, William Emmerich and Jeff Richardson are fairly close on the surface numbers. Jeff Richardson posted stronger numbers in ERA (0 vs 4.85) and home runs allowed (0 per nine innings vs 0.78). William Emmerich had the advantage in WHIP (1.442 vs 3.000). By the career numbers, Jeff Richardson 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.