Juan Alvarez vs. Frank Blake — Career Comparison

Frank Blake built a career as a starting pitcher and Juan Alvarez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Frank Blake posted stronger surface numbers — ERA 2.26 and WHIP 1.162 compared to 5.22 and 1.657 for Juan Alvarez. By the career numbers, Frank Blake had the better of this cross-role comparison — though era context would sharpen the verdict.