Manny Acosta vs. John McPherson — Career Comparison

John McPherson built a career as a starting pitcher and Manny Acosta as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John McPherson posted stronger surface numbers — ERA 3.89 and WHIP 1.417 compared to 3.99 and 1.456 for Manny Acosta. By the career numbers, John McPherson had the better of this cross-role comparison — though era context would sharpen the verdict.