Antonio Alfonseca vs. Oliver Perez — Career Comparison

Oliver Perez built a career as a starting pitcher and Antonio Alfonseca as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Antonio Alfonseca led in home run suppression (HR9+ 126 vs 77), walk avoidance (BB%+ 108 vs 65), and skill-based run prevention (DICE+ 98 vs 87). Oliver Perez held the edge in strikeout rate (K%+ 131 vs 81). Role difference aside, Antonio Alfonseca holds a clear edge on every meaningful shared measure.