The reaction of the Cavs bench tells you how horrific this injury was.
6 minutes into the 1st quarter, Boston Celtic's player, Gordon Hayward, suffered a tragic injury to his ankle that horrified the entire arena.
The actual video is GRAPHIC so watch at your own discretion. But, 1 min into the video you see players and fans reacting to Haywards horrific injury.
WARNING - EXTREMELY GRAPHIC VIDEO
These kinds of injuries are especially scary because they can be career ending. Immediately, players all over the country sent Hayward their thoughts and prayers.