Charlie Kerfeld vs. Faustino Valdés — Career Comparison

Faustino Valdés built a career as a starting pitcher and Charlie Kerfeld as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Charlie Kerfeld posted stronger surface numbers — ERA 4.2 and WHIP 1.572 compared to 4.62 and 1.549 for Faustino Valdés. By the career numbers, Charlie Kerfeld had the better of this cross-role comparison — though era context would sharpen the verdict.