Jack Aker vs. John D'Acquisto — Career Comparison

John D'Acquisto built a career as a starting pitcher and Jack Aker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Aker led in walk avoidance (BB%+ 100 vs 55), run prevention (ERA+ 89 vs 79), and skill-based run prevention (DICE+ 88 vs 83). John D'Acquisto held the edge in home run suppression (HR9+ 111 vs 76). Keeping the role difference in mind, the edge still goes to Jack Aker.