Jim Johnson vs. Ronny Miller — Career Comparison

Looking at the career totals, Jim Johnson and Ronny Miller are fairly close on the surface numbers. Jim Johnson posted stronger numbers in ERA (3.79 vs 4.5) and WHIP (1.374 vs 1.500). Ronny Miller had the advantage in home runs allowed (0 per nine innings vs 0.69). By the career numbers, Jim Johnson 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.