By Tzvi Machlin The Brooklyn Nets and Philadelphia 76ers are hardly the only team making moves at the trade deadline today. The Boston Celtics and San Antonio Spurs just agreed on a one-for-one swap of two solid players. According to NBA insider Shams Charania, the Celtics are trading Josh Richardson to the Spurs in exchange for guard Derrick White. No other compensation is reportedly part of the deal as of writing. White is in his fifth season with the Spurs after going in the first round of the 2017 NBA Draft. He’s played every game and is averaging 14.4 points and a career-high 5.6 assists …