John Griffin vs. Mauro Zarate — Career Comparison

John Griffin built a career as a starting pitcher and Mauro Zarate as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Griffin posted stronger surface numbers — ERA 8.93 and WHIP 1.985 compared to 10.8 and 2.400 for Mauro Zarate. By the career numbers, John Griffin had the better of this cross-role comparison — though era context would sharpen the verdict.