Eddie Matteson vs. Shun Yamaguchi — Career Comparison

Eddie Matteson 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. Eddie Matteson posted stronger surface numbers — ERA 2.36 and WHIP 1.218 compared to 8.06 and 1.753 for Shun Yamaguchi. By the career numbers, Eddie Matteson had the better of this cross-role comparison — though era context would sharpen the verdict.