Fernando Arroyo vs. Jason Grilli — Career Comparison

Fernando Arroyo built a career as a starting pitcher and Jason Grilli as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Fernando Arroyo led in walk avoidance (BB%+ 132 vs 89), run prevention (ERA+ 96 vs 83), and home run suppression (HR9+ 91 vs 81). Jason Grilli held the edge in strikeout rate (K%+ 100 vs 58). Role difference aside, Fernando Arroyo holds a clear edge on every meaningful shared measure.