Don Heinkel vs. Rodrigo Lopez — Career Comparison

Rodrigo Lopez built a career as a starting pitcher and Don Heinkel as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Don Heinkel posted stronger surface numbers — ERA 4.74 and WHIP 1.436 compared to 4.82 and 1.442 for Rodrigo Lopez. By the career numbers, Don Heinkel had the better of this cross-role comparison — though era context would sharpen the verdict.