Billy Hart vs. Victor Zambrano — Career Comparison

Victor Zambrano built a career as a starting pitcher and Billy Hart as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Billy Hart posted stronger surface numbers — ERA 3.67 and WHIP 1.262 compared to 4.64 and 1.538 for Victor Zambrano. By the career numbers, Billy Hart had the better of this cross-role comparison — though era context would sharpen the verdict.