Josh Collmenter vs. Junior Guerra — Career Comparison

The numbers give Junior Guerra a clear advantage over Josh Collmenter across the core pitching metrics. Junior Guerra led in home run suppression (HR9+ 123 vs 89), strikeout rate (K%+ 101 vs 78), and run prevention (ERA+ 124 vs 109). Josh Collmenter held the edge in walk avoidance (BB%+ 150 vs 91). Junior Guerra was the better starter — the numbers make that case clearly.