Mitch Keller vs. Hector Rondon — Career Comparison

Mitch Keller built a career as a starting pitcher and Hector Rondon as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Hector Rondon led in walk avoidance (BB%+ 144 vs 104), run prevention (ERA+ 127 vs 96), and strikeout rate (K%+ 105 vs 98). Mitch Keller held the edge in home run suppression (HR9+ 122 vs 100). Role difference aside, Hector Rondon holds a clear edge on every meaningful shared measure.