John Greenig vs. Henry Killeen — Career Comparison

On the career pitching numbers, Henry Killeen posted a stronger line than John Greenig. Henry Killeen posted stronger numbers in ERA (6.23 vs 11) and WHIP (2.192 vs 2.333). By the career numbers, Henry Killeen 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.