Tommy Greene vs. Unknown Johnson — Career Comparison

Looking at the career totals, Tommy Greene and Unknown Johnson are fairly close on the surface numbers. Tommy Greene posted stronger numbers in ERA (4.14 vs 5.4) and WHIP (1.342 vs 1.500). Unknown Johnson had the advantage in home runs allowed (0 per nine innings vs 0.89). By the career numbers, Tommy Greene 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.