Roberto Duran vs. John Poloni — Career Comparison

John Poloni 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. John Poloni posted stronger surface numbers — ERA 6.43 and WHIP 1.286 compared to 6.58 and 1.846 for Roberto Duran. By the career numbers, John Poloni had the better of this cross-role comparison — though era context would sharpen the verdict.