Ed Keas vs. Zack Weiss — Career Comparison

On the career pitching numbers, Ed Keas posted a stronger line than Zack Weiss. Ed Keas posted stronger numbers in ERA (2.29 vs 4.61) and home runs allowed (0.18 per nine innings vs 2.63). 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.