John O'Connell vs. Luis Pérez — Career Comparison

Looking at the career totals, John O'Connell and Luis Pérez are closely matched on the surface stats. Luis Pérez posted stronger numbers in slugging (.233 vs .196) and batting average (.233 vs .176). John O'Connell had the advantage in on-base percentage (.263 vs .233). By the career numbers, Luis Pérez had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.