José Lopez vs. Blake Treinen — Career Comparison

Looking at the career totals, José Lopez and Blake Treinen are fairly close on the surface numbers. Blake Treinen posted stronger numbers in ERA (2.9 vs 4.5) and WHIP (1.277 vs 2.000). José Lopez had the advantage in home runs allowed (0 per nine innings vs 0.67). By the career numbers, Blake Treinen 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.