Frank Hafner vs. Steve Senteney — Career Comparison

Looking at the career totals, Frank Hafner and Steve Senteney are fairly close on the surface numbers. Steve Senteney posted stronger numbers in ERA (4.91 vs 7) and WHIP (1.364 vs 2.222). Frank Hafner had the advantage in home runs allowed (1 per nine innings vs 2.05). By the career numbers, Steve Senteney 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.