Jack Aker vs. Mike Hedlund — Career Comparison

Mike Hedlund 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. Mike Hedlund led in home run suppression (HR9+ 117 vs 76), run prevention (ERA+ 101 vs 89), and skill-based run prevention (DICE+ 99 vs 88). Jack Aker held the edge in strikeout rate (K%+ 86 vs 77). Role difference aside, Mike Hedlund holds a clear edge on every meaningful shared measure.