Photo: Instagram/Khris Middleton Milwaukee Bucks star Khris Middleton suffered a hyperextended left knee late in the third quarter of Milwaukee's 117-103 loss to the Celtics at TD Garden and did not return, but early signs suggest he will not be sidelined for a long time. During the third quarter, Middleton collided with teammate Rodney Hood as the two pursued a defensive rebound, and his leg buckled awkwardly. After he winced and remained on the ground for a moment, Middleton rose to his feet and limped to the other end of the court for Milwaukee's subsequent offensive possession. After the game, however, the Bucks committed a foul, and Middleton walked straight to the locker room. The Bucks were optimistic Middleton's injury wouldn't be a long-term one. Photo: Instagram/Khris Middleton Middleton is averaging 17.8 points, 5.7 rebounds, and 4.9 assists this season after winning an NBA championship with the Bucks last season, as well as a gold medal with Team USA in the ...