While being tackled, a 20-year-old football player put out his hand to break his fall to the ground. because the intense pain in his wrist did not subside by the end of the game, he was brought to an emergency department where diagnostic imaging indicated an incomplete tear of the ligament surrounding his wrist joint. at the time of admission, his wrist was swollen and had a severely restricted range of motion. what will his care team most likely tell the player about his diagnosis and treatment?