Oil Can Boyd vs. Mike Cather — Career Comparison

Oil Can Boyd built a career as a starting pitcher and Mike Cather as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Cather led in home run suppression (HR9+ 227 vs 81), run prevention (ERA+ 143 vs 102), and skill-based run prevention (DICE+ 105 vs 97). Oil Can Boyd held the edge in walk avoidance (BB%+ 129 vs 114). Role difference aside, Mike Cather holds a clear edge on every meaningful shared measure.