Mark Mulder vs. Unknown Patterson — Career Comparison

Looking at the career totals, Mark Mulder and Unknown Patterson are fairly close on the surface numbers. Mark Mulder posted stronger numbers in ERA (4.18 vs 7.71) and WHIP (1.354 vs 1.714). Unknown Patterson had the advantage in home runs allowed (0 per nine innings vs 0.97). By the career numbers, Mark Mulder 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.