David Hernandez vs. Jeff Peterek — Career Comparison

Jeff Peterek built a career as a starting pitcher and David Hernandez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jeff Peterek posted stronger surface numbers — ERA 4.02 and WHIP 1.468 compared to 4.12 and 1.335 for David Hernandez. By the career numbers, Jeff Peterek had the better of this cross-role comparison — though era context would sharpen the verdict.