Hernan Perez vs. John Simmons — Career Comparison

On the career numbers, Hernan Perez posted the stronger offensive profile against John Simmons. Hernan Perez posted stronger numbers in OPS (.663 vs .513) and slugging (.382 vs .215). John Simmons had the advantage in on-base percentage (.298 vs .281). By the career numbers, Hernan Perez had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.