Carlos Castillo vs. Ethan Martin — Career Comparison

Ethan Martin built a career as a starting pitcher and Carlos Castillo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Carlos Castillo posted stronger surface numbers — ERA 5.04 and WHIP 1.410 compared to 5.93 and 1.682 for Ethan Martin. By the career numbers, Carlos Castillo had the better of this cross-role comparison — though era context would sharpen the verdict.