Jeremy Affeldt vs. Scott Kamieniecki — Career Comparison

Scott Kamieniecki built a career as a starting pitcher and Jeremy Affeldt as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Scott Kamieniecki led in run prevention (ERA+ 111 vs 98), skill-based run prevention (DICE+ 97 vs 89), and walk avoidance (BB%+ 91 vs 87). Jeremy Affeldt held the edge in home run suppression (HR9+ 118 vs 113). Role difference aside, Scott Kamieniecki holds a clear edge on every meaningful shared measure.