Frank Heifer vs. John Sheppard — Career Comparison

On the career numbers, Frank Heifer posted the stronger offensive profile against John Sheppard. Frank Heifer posted stronger numbers in OPS (.680 vs .000) and on-base percentage (.280 vs .000). By the career numbers, Frank Heifer had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.