Hayden Birdsong vs. Justin Marks — Career Comparison

Hayden Birdsong built a career as a starting pitcher and Justin Marks as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Justin Marks posted stronger surface numbers — ERA 3.65 and WHIP 2.108 compared to 4.77 and 1.438 for Hayden Birdsong. By the career numbers, Justin Marks had the better of this cross-role comparison — though era context would sharpen the verdict.