Philadelphia 76ers head coach Brett Brown says the organization is “still learning more” about star center Joel Embiid’s knee injury, according to Keith Pompey of the Philadelphia Inquirer. Embiid is dealing with left knee soreness and hasn’t played post All-Star break. Asked about Embiid's re-evaluation, Brown responded, "We are still learning more." — Keith Pompey (@PompeyOnSixers) […]