Fernando Arroyo vs. Mark Eichhorn — Career Comparison

Fernando Arroyo built a career as a starting pitcher and Mark Eichhorn as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Eichhorn led in home run suppression (HR9+ 144 vs 91), strikeout rate (K%+ 88 vs 58), and skill-based run prevention (DICE+ 106 vs 93). Fernando Arroyo held the edge in walk avoidance (BB%+ 132 vs 118). Role difference aside, Mark Eichhorn holds a clear edge on every meaningful shared measure.