Bert Blyleven vs. Orlando Peña — Career Comparison

Bert Blyleven built a career as a starting pitcher and Orlando Peña as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bert Blyleven led in home run suppression (HR9+ 78 vs 65), strikeout rate (K%+ 110 vs 102), and run prevention (ERA+ 97 vs 90). Role difference aside, Bert Blyleven holds a clear edge on every meaningful shared measure.