According to Marc Stein, ESPN:
ESPN sources say Grizzlies and Raps have deal in place to swap Rudy Gay and Hamed Haddadi for Ed Davis and Jose Calderon.
Sources say deal will morph to include third team to take Calderon, with Detroit at the front of the line to land the Spaniard after chasing him all season. Third team not yet in stone but Pistons have had interest in Calderon all season & have two Small Forwards to help Memphis fill the Rudy Gay void: Prince & Maggette.
ESPN sources say Dallas is other prime landing spot for Calderon, but I’m told Mavs reluctant to part with SF that Grizz want: Vince Carter.