John Denny vs. Jack Flaherty — Career Comparison

The numbers give Jack Flaherty a clear advantage over John Denny across the core pitching metrics. Jack Flaherty led in strikeout rate (K%+ 127 vs 77), skill-based run prevention (DICE+ 114 vs 95), and run prevention (ERA+ 117 vs 103). John Denny held the edge in home run suppression (HR9+ 122 vs 105). Jack Flaherty was the better starter — the numbers make that case clearly.