Hayden Penn vs. Jake Robbins — Career Comparison

Hayden Penn built a career as a starting pitcher and Jake Robbins as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jake Robbins posted stronger surface numbers — ERA 5.4 and WHIP 1.800 compared to 9.51 and 2.235 for Hayden Penn. By the career numbers, Jake Robbins had the better of this cross-role comparison — though era context would sharpen the verdict.