John Perkovich vs. Masato Yoshii — Career Comparison

Masato Yoshii built a career as a starting pitcher and John Perkovich as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Masato Yoshii posted stronger surface numbers — ERA 4.62 and WHIP 1.380 compared to 7.2 and 1.600 for John Perkovich. By the career numbers, Masato Yoshii had the better of this cross-role comparison — though era context would sharpen the verdict.