John Foley vs. Ryan Miller — Career Comparison

Looking at the career totals, John Foley and Ryan Miller are fairly close on the surface numbers. John Foley posted stronger numbers in WHIP (1.375 vs 1.769) and home runs allowed (0 per nine innings vs 1.38). Ryan Miller had the advantage in ERA (4.15 vs 4.5). By the career numbers, John Foley 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.