Unknown O'Rourke vs. Bruce Ruffin — Career Comparison

Looking at the career totals, Unknown O'Rourke and Bruce Ruffin are fairly close on the surface numbers. Bruce Ruffin posted stronger numbers in ERA (4.19 vs 8) and WHIP (1.546 vs 2.000). Unknown O'Rourke had the advantage in home runs allowed (0 per nine innings vs 0.65). By the career numbers, Bruce Ruffin 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.