The stat Isolated Power (ISO) is used to isolate extra base hit power from the slugging equation. The formula is:
Doubles) +(2 x Triples) + (3 x HR) / At-bats = ISO = (SLG-BA)/AB
The current top 10 AL ISO leaderboard is as follows:
When Carlos Pena makes contact in fair territory he is a dominant beast.
As a sidenote, in 2001 Barry Bonds ISO was .540. Wow. His BBISO was .671. Wow again.