Roberto Duran vs. Bob Purkey — Career Comparison

Bob Purkey built a career as a starting pitcher and Roberto Duran as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bob Purkey posted stronger surface numbers — ERA 3.79 and WHIP 1.287 compared to 6.58 and 1.846 for Roberto Duran. By the career numbers, Bob Purkey had the better of this cross-role comparison — though era context would sharpen the verdict.