Hayden Birdsong vs. Chad Cordero — Career Comparison

Hayden Birdsong built a career as a starting pitcher and Chad Cordero as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Chad Cordero posted stronger surface numbers — ERA 2.89 and WHIP 1.256 compared to 4.77 and 1.438 for Hayden Birdsong. By the career numbers, Chad Cordero had the better of this cross-role comparison — though era context would sharpen the verdict.