Jose Diaz vs. Kyle Muller — Career Comparison

Kyle Muller built a career as a starting pitcher and Jose Diaz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Kyle Muller posted stronger surface numbers — ERA 5.9 and WHIP 1.603 compared to 9.39 and 2.609 for Jose Diaz. By the career numbers, Kyle Muller had the better of this cross-role comparison — though era context would sharpen the verdict.