Tom Kelley vs. Bob Macdonald — Career Comparison

Tom Kelley built a career as a starting pitcher and Bob Macdonald as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bob Macdonald led in walk avoidance (BB%+ 100 vs 68), strikeout rate (K%+ 90 vs 77), and skill-based run prevention (DICE+ 94 vs 85). Tom Kelley held the edge in home run suppression (HR9+ 110 vs 90). Role difference aside, Bob Macdonald holds a clear edge on every meaningful shared measure.