Mark Contreras vs. John Kelty — Career Comparison

On the career numbers, John Kelty posted the stronger offensive profile against Mark Contreras. John Kelty posted stronger numbers in OPS (.641 vs .441) and on-base percentage (.322 vs .148). Mark Contreras had the advantage in home run production (3 career HR at a higher rate). By the career numbers, John Kelty had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.