Dan Dumoulin vs. Ed Keas — Career Comparison

On the career pitching numbers, Ed Keas posted a stronger line than Dan Dumoulin. Ed Keas posted stronger numbers in ERA (2.29 vs 7.84) and WHIP (1.275 vs 2.613). By the career numbers, Ed Keas 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.