NEW YORK >> The storylines surrounding Nick Young once involved his entertaining quotes, his inaccurate shooting and his occasional clashes with coach Byron Scott.But in the past month, it has become reduced to non-injury updates.Scott reported head athletic trainer Gary Vitti told him there "hasn't been much improvement at all" in Young's fractured left knee that has sidelined him for the past 18 games, including the Lakers' 107-99 loss to the Brooklyn Nets on Sunday at Barclays Center.