John O'Donnell vs. Johnny Ryan — Career Comparison

On the career numbers, John O'Donnell posted the stronger offensive profile against Johnny Ryan. John O'Donnell posted stronger numbers in OPS (.500 vs .481) and on-base percentage (.250 vs .227). Johnny Ryan had the advantage in home run production (1 career HR at a higher rate). By the career numbers, John O'Donnell had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.