Pedro Astacio vs. Otto Rettig — Career Comparison

Looking at the career totals, Pedro Astacio and Otto Rettig are fairly close on the surface numbers. Pedro Astacio posted stronger numbers in ERA (4.67 vs 4.91) and WHIP (1.398 vs 1.636). Otto Rettig had the advantage in home runs allowed (0 per nine innings vs 1.19). By the career numbers, Pedro Astacio 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.