Ronny Miller vs. Leo Rosales — Career Comparison

On the career pitching numbers, Ronny Miller posted a stronger line than Leo Rosales. Ronny Miller posted stronger numbers in ERA (4.5 vs 5.01) and home runs allowed (0 per nine innings vs 0.88). By the career numbers, Ronny 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.