Mark Ettles vs. Mike Fetters — Career Comparison

On the career pitching numbers, Mike Fetters posted a stronger line than Mark Ettles. Mike Fetters posted stronger numbers in ERA (3.86 vs 6.5) and home runs allowed (0.78 per nine innings vs 2). By the career numbers, Mike Fetters 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.