from an article i found:
Ironically, Stephenson and Landesberg were one-time roommates when both played for the Team Next AAU club prior to high school. Best friends no more.
“All of a sudden, it just changed around," Stephenson said.
another one:
Lance Stephenson — He was on cruise control until crosstown NYC rival Sylvan Landesberg flipped his switch with some aggressive chest-to-chest D. Lance proceeded to go to work on Sylvan, toying with him off the dribble and one time getting a nasty cuff on the Queens-bred senior. “Not in my city,†Lance told us afterwards.