Frank Bertaina vs. Casey Janssen — Career Comparison

Frank Bertaina built a career as a starting pitcher and Casey Janssen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Casey Janssen led in walk avoidance (BB%+ 171 vs 72), home run suppression (HR9+ 85 vs 73), and skill-based run prevention (DICE+ 94 vs 83). Frank Bertaina held the edge in strikeout rate (K%+ 97 vs 76). Role difference aside, Casey Janssen holds a clear edge on every meaningful shared measure.