Jimmy Key vs. Devin Smeltzer — Career Comparison

On the career pitching numbers, Jimmy Key posted a stronger line than Devin Smeltzer. Jimmy Key posted stronger numbers in ERA (3.51 vs 4.32) and home runs allowed (0.88 per nine innings vs 1.66). By the career numbers, Jimmy Key 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.