NEW YORK — Eleven years after they played in the Jordan Brand Classic at the MCI Center in Washington, D.C., Carmelo Anthony and Amar’e Stoudemire sat courtside at Barclays Center to watch the next generation of future NBA stars on display in the 2013 Jordan Classic. The two Knicks stars were joined by a star-studded group that included teammate J.R. Smith, C.C. Sabathia, Spike Lee, Worldwide Wes and Drake, who later performed a concert. Michael Jordan himself sat up in the