Frank Keffer vs. Ronny Miller — Career Comparison

Looking at the career totals, Frank Keffer and Ronny Miller are fairly close on the surface numbers. Ronny Miller had the edge in ERA (4.5 vs 5.63). 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.