Al Jackson vs. Andrew Kittredge — Career Comparison

Al Jackson built a career as a starting pitcher and Andrew Kittredge as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Andrew Kittredge led in walk avoidance (BB%+ 152 vs 112), run prevention (ERA+ 129 vs 95), and strikeout rate (K%+ 105 vs 76). Al Jackson held the edge in home run suppression (HR9+ 107 vs 95). Role difference aside, Andrew Kittredge holds a clear edge on every meaningful shared measure.