Justin Atchley vs. Mark Schaeffer — Career Comparison

Looking at the career totals, Justin Atchley and Mark Schaeffer are fairly close on the surface numbers. Mark Schaeffer posted stronger numbers in ERA (4.61 vs 6.1) and home runs allowed (0.66 per nine innings vs 3.48). Justin Atchley had the advantage in WHIP (1.839 vs 2.000). By the career numbers, Mark Schaeffer 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.