Paul George’s first preseason with the 76ers has already come with a scare, as the star forward hyperextended his left knee in a 120-104 road win over the Hawks.The injury occurred in the second quarter, when George was defending Hawks forward Jalen Johnson. George’s leg bent awkwardly, forcing him to exit for good. George did not seem too concerned after the fact. “I felt that it hyperextended, and immediately it was, all right, I need to get taken out and (looked at), but if you ask me, I’m not too concerned about it,” he told Keith Pompey of the Philadelphia Inquirer. No matter,…