Fred Hayner vs. Ryan Miller — Career Comparison

On the career pitching numbers, Ryan Miller posted a stronger line than Fred Hayner. Ryan Miller posted stronger numbers in ERA (4.15 vs 13.5) and WHIP (1.769 vs 3.000). By the career numbers, Ryan Miller 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.