John Halama vs. Sam Tuivailala — Career Comparison

John Halama built a career as a starting pitcher and Sam Tuivailala as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Sam Tuivailala led in home run suppression (HR9+ 142 vs 97), run prevention (ERA+ 143 vs 105), and skill-based run prevention (DICE+ 112 vs 96). Role difference aside, Sam Tuivailala holds a clear edge on every meaningful shared measure.