Samsung Electronics, the world's largest maker of smartphones, signed a multiyear deal to supply the National Basketball Association with mobile devices and televisions.Under the agreement with the NBA, the Women's National Basketball Association and the NBA Development League, referees will use Samsung tablets courtside to review key plays, according to a statement, which didn't provide financial terms. The deal is worth $100 million over three years, the Wall Street Journal reported, citing people familiar with the matter.The NBA agreement also includes daily recaps and analysis that fans...