Willie Jensen vs. Unknown O'Rourke — Career Comparison

Looking at the career totals, Willie Jensen and Unknown O'Rourke are fairly close on the surface numbers. Willie Jensen posted stronger numbers in ERA (3.64 vs 8) and WHIP (1.667 vs 2.000). Unknown O'Rourke had the advantage in home runs allowed (0 per nine innings vs 0.43). By the career numbers, Willie Jensen 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.