Rubby De La Rosa vs. Shun Yamaguchi — Career Comparison

Rubby De La Rosa 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. Rubby De La Rosa posted stronger surface numbers — ERA 4.49 and WHIP 1.407 compared to 8.06 and 1.753 for Shun Yamaguchi. By the career numbers, Rubby De La Rosa had the better of this cross-role comparison — though era context would sharpen the verdict.