David Hernandez vs. Johnny Niggeling — Career Comparison

Johnny Niggeling 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. Johnny Niggeling posted stronger surface numbers — ERA 3.22 and WHIP 1.301 compared to 4.12 and 1.335 for David Hernandez. By the career numbers, Johnny Niggeling had the better of this cross-role comparison — though era context would sharpen the verdict.