Jim Kaat vs. Bob Macdonald — Career Comparison

Jim Kaat 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 strikeout rate (K%+ 90 vs 73), run prevention (ERA+ 101 vs 87), and home run suppression (HR9+ 90 vs 81). Jim Kaat held the edge in walk avoidance (BB%+ 178 vs 100). Keeping the role difference in mind, the edge still goes to Bob Macdonald.