Unknown Halfacre vs. Red Proctor — Career Comparison

Looking at the career totals, Unknown Halfacre and Red Proctor are fairly close on the surface numbers. Unknown Halfacre had the edge in ERA (11.25 vs 13.5). By the career numbers, Unknown Halfacre 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.