Kei Igawa vs. Williams Jerez — Career Comparison

Kei Igawa built a career as a starting pitcher and Williams Jerez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Williams Jerez posted stronger surface numbers — ERA 5.33 and WHIP 1.816 compared to 6.66 and 1.772 for Kei Igawa. By the career numbers, Williams Jerez had the better of this cross-role comparison — though era context would sharpen the verdict.