Golden State Warriors guard Moses Moody was carted off the court on a stretcher during the overtime period of Monday night’s game against the Dallas Mavericks following a gruesome left leg injury.

Inside the last two minutes of overtime, Moody swiped the ball away from Mavericks forward Cooper Flagg and raced toward the basket at the other end of the court. During his shooting takeoff, Moody’s left leg suddenly gave out and he landed awkwardly on the ground.

“I saw his leg buckle and saw him go down in a heap in pain,” Warriors head coach Steve Kerr said after the game. “We don’t know what it is, but it sure looked bad.”

WARNING: GRAPHIC VIDEO

Moody was taken off the court on a stretcher with his knee wrapped in a medical device as teammate Draymond Green hugged him.