Unknown Bookman vs. Red Ruffing — Career Comparison

Looking at the career totals, Unknown Bookman and Red Ruffing are fairly close on the surface numbers. Red Ruffing posted stronger numbers in ERA (3.8 vs 27) and WHIP (1.341 vs 4.500). Unknown Bookman had the advantage in home runs allowed (0 per nine innings vs 0.53). By the career numbers, Red Ruffing 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.