Pedro Martinez vs. Shun Yamaguchi — Career Comparison

Pedro Martinez built a career as a starting pitcher and Shun Yamaguchi as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Pedro Martinez posted stronger surface numbers — ERA 2.93 and WHIP 1.065 compared to 8.06 and 1.753 for Shun Yamaguchi. By the career numbers, Pedro Martinez had the better of this cross-role comparison — though era context would sharpen the verdict.