Mark Clark vs. Rick Heiserman — Career Comparison

Mark Clark built a career as a starting pitcher and Rick Heiserman as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Clark posted stronger surface numbers — ERA 4.61 and WHIP 1.406 compared to 8.31 and 2.769 for Rick Heiserman. By the career numbers, Mark Clark had the better of this cross-role comparison — though era context would sharpen the verdict.