David Holmberg vs. Hector Rondon — Career Comparison

David Holmberg built a career as a starting pitcher and Hector Rondon as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Hector Rondon posted stronger surface numbers — ERA 3.49 and WHIP 1.227 compared to 5.49 and 1.713 for David Holmberg. By the career numbers, Hector Rondon had the better of this cross-role comparison — though era context would sharpen the verdict.