Preston Guilmet vs. Ismael Valdez — Career Comparison

Ismael Valdez built a career as a starting pitcher and Preston Guilmet as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ismael Valdez posted stronger surface numbers — ERA 4.09 and WHIP 1.332 compared to 9 and 1.686 for Preston Guilmet. By the career numbers, Ismael Valdez had the better of this cross-role comparison — though era context would sharpen the verdict.