John Costello vs. Bob Galasso — Career Comparison

The numbers give John Costello a clear advantage over Bob Galasso across the core pitching metrics. John Costello led in run prevention (ERA+ 135 vs 69), home run suppression (HR9+ 115 vs 69), and skill-based run prevention (DICE+ 99 vs 85). Bob Galasso held the edge in walk avoidance (BB%+ 143 vs 91). John Costello was the better reliever — the numbers make that case clearly.