Cy Acosta vs. Don Carlsen — Career Comparison

Don Carlsen built a career as a starting pitcher and Cy Acosta as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Cy Acosta posted stronger surface numbers — ERA 2.66 and WHIP 1.226 compared to 6 and 1.778 for Don Carlsen. By the career numbers, Cy Acosta had the better of this cross-role comparison — though era context would sharpen the verdict.