Mark Leiter vs. Ed Sprague — Career Comparison

Mark Leiter built a career as a starting pitcher and Ed Sprague as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Leiter led in strikeout rate (K%+ 107 vs 65), walk avoidance (BB%+ 105 vs 76), and run prevention (ERA+ 92 vs 79). Ed Sprague held the edge in home run suppression (HR9+ 100 vs 80). Role difference aside, Mark Leiter holds a clear edge on every meaningful shared measure.