Scott Baker vs. Zack Spencer — Career Comparison

Zack Spencer built a career as a starting pitcher and Scott Baker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zack Spencer posted stronger surface numbers — ERA 7.04 and WHIP 1.565 compared to 9.82 and 2.727 for Scott Baker. By the career numbers, Zack Spencer had the better of this cross-role comparison — though era context would sharpen the verdict.