Bob Casey vs. Unknown Sullivan — Career Comparison

Looking at the career totals, Bob Casey and Unknown Sullivan are closely matched on the surface stats. Unknown Sullivan posted stronger numbers in OPS (.750 vs .641) and on-base percentage (.375 vs .231). Bob Casey had the advantage in slugging (.410 vs .375). By the career numbers, Unknown Sullivan had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.