Ryan Miller vs. Chance Ruffin — Career Comparison

On the career pitching numbers, Ryan Miller posted a stronger line than Chance Ruffin. Ryan Miller posted stronger numbers in ERA (4.15 vs 5.6) and home runs allowed (1.38 per nine innings vs 2.3). 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.