Willie Jefferson vs. Pedro Viola — Career Comparison

Willie Jefferson built a career as a starting pitcher and Pedro Viola as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Willie Jefferson posted stronger surface numbers — ERA 3.94 and WHIP 1.314 compared to 7.5 and 1.667 for Pedro Viola. By the career numbers, Willie Jefferson had the better of this cross-role comparison — though era context would sharpen the verdict.