The Bulls underwent a radical transformation this offseason , trading Derrick Rose to the Knicks .
The Bulls letting Joakim Noah ( signed with the Knicks ) or Pau Gasol ( signed with the Spurs ) walk in free agency .
The Bulls underwent a radical transformation this offseason , trading Derrick Rose to the Knicks , and letting Joakim Noah ( signed with the Knicks ) or Pau Gasol ( signed with the Spurs ) walk in free agency .