Paul Blackburn vs. Unknown O'Rourke — Career Comparison

Looking at the career totals, Paul Blackburn and Unknown O'Rourke are fairly close on the surface numbers. Paul Blackburn posted stronger numbers in ERA (4.97 vs 8) and WHIP (1.421 vs 2.000). Unknown O'Rourke had the advantage in home runs allowed (0 per nine innings vs 1.19). By the career numbers, Paul Blackburn 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.