Bob Forsch vs. Mark Petkovsek — Career Comparison

Bob Forsch built a career as a starting pitcher and Mark Petkovsek as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Petkovsek led in walk avoidance (BB%+ 128 vs 103), home run suppression (HR9+ 98 vs 86), and run prevention (ERA+ 93 vs 83). Role difference aside, Mark Petkovsek holds a clear edge on every meaningful shared measure.