Ben Callahan vs. Diego Moreno — Career Comparison

Ben Callahan built a career as a starting pitcher and Diego Moreno as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Diego Moreno posted stronger surface numbers — ERA 5.06 and WHIP 1.250 compared to 12.54 and 2.571 for Ben Callahan. By the career numbers, Diego Moreno had the better of this cross-role comparison — though era context would sharpen the verdict.