When was the American professional basketball player born who announced that he would leave the Thunder and sign with the Golden State Warriors?
2016–17 Oklahoma City Thunder season: The 2016–17 Oklahoma City Thunder season was the 9th season of the franchise in Oklahoma City and the 51st in the National Basketball Association (NBA). 2016–17 Oklahoma City Thunder season:  On the 4th of July, Kevin Durant announced he would leave the Thunder and sign with the Golden State Warriors. Kevin Durant: Kevin Wayne Durant (born September 29, 1988) is an American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA).
September 29, 1988