Jack Keenan vs. Roki Sasaki — Career Comparison

Roki Sasaki built a career as a starting pitcher and Jack Keenan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Keenan posted stronger surface numbers — ERA 0 and WHIP 1.250 compared to 4.46 and 1.431 for Roki Sasaki. By the career numbers, Jack Keenan had the better of this cross-role comparison — though era context would sharpen the verdict.