Mark Mercer vs. Chance Ruffin — Career Comparison

Looking at the career totals, Mark Mercer and Chance Ruffin are fairly close on the surface numbers. Mark Mercer posted stronger numbers in ERA (4.7 vs 5.6) and home runs allowed (1.17 per nine innings vs 2.3). Chance Ruffin had the advantage in WHIP (1.720 vs 1.826). By the career numbers, Mark Mercer 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.