Patrick O'Loughlin vs. Jon Singleton — Career Comparison

On the career numbers, Patrick O'Loughlin posted the stronger offensive profile against Jon Singleton. Patrick O'Loughlin posted stronger numbers in OPS (.800 vs .645) and on-base percentage (.400 vs .300). Jon Singleton had the advantage in home run production (29 career HR at a higher rate). By the career numbers, Patrick O'Loughlin had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.