John Littlefield vs. Erik Swanson — Career Comparison

The numbers give Erik Swanson a clear advantage over John Littlefield across the core pitching metrics. Erik Swanson led in strikeout rate (K%+ 109 vs 57), walk avoidance (BB%+ 152 vs 106), and run prevention (ERA+ 130 vs 100). John Littlefield held the edge in home run suppression (HR9+ 134 vs 95). Erik Swanson was the better reliever — the numbers make that case clearly.