Spencer Bivens vs. Adrian Zabala — Career Comparison

Adrian Zabala built a career as a starting pitcher and Spencer Bivens as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Spencer Bivens posted stronger surface numbers — ERA 3.68 and WHIP 1.296 compared to 5.02 and 1.423 for Adrian Zabala. By the career numbers, Spencer Bivens had the better of this cross-role comparison — though era context would sharpen the verdict.