Jairo Diaz vs. Bert Miller — Career Comparison

Looking at the career totals, Jairo Diaz and Bert Miller are fairly close on the surface numbers. Jairo Diaz posted stronger numbers in ERA (4.86 vs 7.94) and WHIP (1.556 vs 2.059). Bert Miller had the advantage in home runs allowed (0 per nine innings vs 1.09). By the career numbers, Jairo Diaz 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.