Blair Calvo vs. Hisashi Iwakuma — Career Comparison

Hisashi Iwakuma built a career as a starting pitcher and Blair Calvo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Blair Calvo posted stronger surface numbers — ERA 0 and WHIP 0.000 compared to 3.42 and 1.158 for Hisashi Iwakuma. By the career numbers, Blair Calvo had the better of this cross-role comparison — though era context would sharpen the verdict.