David Hernandez vs. Al Jackson — Career Comparison

Al Jackson built a career as a starting pitcher and David Hernandez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Al Jackson led in home run suppression (HR9+ 107 vs 74), walk avoidance (BB%+ 112 vs 92), and run prevention (ERA+ 95 vs 83). David Hernandez held the edge in strikeout rate (K%+ 105 vs 76). Role difference aside, Al Jackson holds a clear edge on every meaningful shared measure.