Raúl Álvarez vs. Otto Rettig — Career Comparison

Looking at the career totals, Raúl Álvarez and Otto Rettig are fairly close on the surface numbers. Otto Rettig posted stronger numbers in ERA (4.91 vs 5.89) and home runs allowed (0 per nine innings vs 0.3). Raúl Álvarez had the advantage in WHIP (1.562 vs 1.636). By the career numbers, Otto Rettig 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.