Fresh off an NBA Finals run, the Phoenix Suns need to get young. No, not young, Young. As in Thaddeus Young. As The Athletic’s Shams Charania reported in late August, the Suns are “among the contenders” that have pursued the 33-year-old forward, recently acquired by the San Antonio Spurs in the DeMar DeRozan sign-and-trade with the Chicago Bulls. Last season…