Brian O'Connor vs. Erwin Renfer — Career Comparison

Erwin Renfer built a career as a starting pitcher and Brian O'Connor as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Brian O'Connor posted stronger surface numbers — ERA 5.11 and WHIP 1.865 compared to 6 and 1.333 for Erwin Renfer. By the career numbers, Brian O'Connor had the better of this cross-role comparison — though era context would sharpen the verdict.