Antonio Alfonseca vs. Junior Guerra — Career Comparison

Junior Guerra 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. Junior Guerra led in run prevention (ERA+ 124 vs 97), strikeout rate (K%+ 101 vs 81), and skill-based run prevention (DICE+ 105 vs 98). Antonio Alfonseca held the edge in walk avoidance (BB%+ 108 vs 91). Keeping the role difference in mind, the edge still goes to Junior Guerra.