Zac Grotz vs. Steamboat Williams — Career Comparison

On the career pitching numbers, Steamboat Williams posted a stronger line than Zac Grotz. Steamboat Williams posted stronger numbers in ERA (4.42 vs 7.3) and WHIP (1.440 vs 1.824). By the career numbers, Steamboat Williams 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.