Zac Grotz vs. Ed Weiland — Career Comparison

On the career pitching numbers, Zac Grotz posted a stronger line than Ed Weiland. Zac Grotz posted stronger numbers in ERA (7.3 vs 8.25) and home runs allowed (1.46 per nine innings vs 1.88). By the career numbers, Zac Grotz 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.