Jimmy Key vs. Wandy Peralta — Career Comparison

Jimmy Key built a career as a starting pitcher and Wandy Peralta as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jimmy Key led in walk avoidance (BB%+ 151 vs 92), skill-based run prevention (DICE+ 102 vs 81), and strikeout rate (K%+ 90 vs 73). Wandy Peralta held the edge in home run suppression (HR9+ 120 vs 93). Role difference aside, Jimmy Key holds a clear edge on every meaningful shared measure.