Erick Castillo vs. Don Leppert — Career Comparison

Looking at the career totals, Erick Castillo and Don Leppert are closely matched on the surface stats. Don Leppert posted stronger numbers in OPS (.658 vs .583) and slugging (.363 vs .250). Erick Castillo had the advantage in on-base percentage (.333 vs .295). By the career numbers, Don Leppert had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.