Jack Flaherty vs. Mark Williamson — Career Comparison

Jack Flaherty built a career as a starting pitcher and Mark Williamson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Flaherty led in strikeout rate (K%+ 127 vs 88), skill-based run prevention (DICE+ 114 vs 101), and home run suppression (HR9+ 105 vs 94). Mark Williamson held the edge in walk avoidance (BB%+ 126 vs 100). Role difference aside, Jack Flaherty holds a clear edge on every meaningful shared measure.