Zac Grotz vs. Charles Witherow — Career Comparison

Looking at the career totals, Zac Grotz and Charles Witherow are fairly close on the surface numbers. Zac Grotz posted stronger numbers in ERA (7.3 vs 18) and WHIP (1.824 vs 4.000). Charles Witherow had the advantage in home runs allowed (0 per nine innings vs 1.46). 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.