Mike Flanagan vs. Joe Grzenda — Career Comparison

Mike Flanagan built a career as a starting pitcher and Joe Grzenda as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Joe Grzenda led in home run suppression (HR9+ 188 vs 104), skill-based run prevention (DICE+ 113 vs 97), and walk avoidance (BB%+ 121 vs 107). Mike Flanagan held the edge in run prevention (ERA+ 103 vs 100). Role difference aside, Joe Grzenda holds a clear edge on every meaningful shared measure.