Lakers assistant coach Chuck Person convinced Jackson on changing the team defense this season to keep Bynum in the lane on the defensive end, rather than amble out to the perimeter to help out guards contending with pick-and-rolls.
"He's a plug," Jackson said. "He's in there stopping penetration."
http://basketball.realgm.com/wiretap/211916/Chuck_Person_Helping_In_Bynums_Defensive_Surge