Ralph Caldwell vs. Carlos Villanueva — Career Comparison

Ralph Caldwell built a career as a starting pitcher and Carlos Villanueva as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ralph Caldwell posted stronger surface numbers — ERA 4.2 and WHIP 1.413 compared to 4.31 and 1.327 for Carlos Villanueva. By the career numbers, Ralph Caldwell had the better of this cross-role comparison — though era context would sharpen the verdict.