Carlos Perez vs. John Simmons — Career Comparison

Looking at the career totals, Carlos Perez and John Simmons are closely matched on the surface stats. Carlos Perez posted stronger numbers in OPS (.597 vs .513) and slugging (.343 vs .215). John Simmons had the advantage in on-base percentage (.298 vs .254). By the career numbers, Carlos Perez had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.