CLEVELAND -- Witnessing the gruesome nature of teammate Gordon Hayward's leg injury during the first quarter of Tuesday's season opener, Boston Celtics guard Kyrie Irving immediately thought back to Paul George's injury during a 2014 Team USA scrimmage. "It's tough. I've seen a few injuries in my career and I've had a few," Irving said. "Probably two of the worst ones I've been in the game watching -- one was [George] at USA and this one tonight. It's not a great sight to see, but you gotta pick yourself up. Just keep on fighting, man. We understand that [Hayward], God willing, will be fine, and we're going to continue to pray for him and be there for him as best we can." Like Irving, Cleveland Cavaliers star LeBron James' mind went to similar injuries. "I've seen a couple of injuries like that in my lifetime," James said. "I've seen Paul George when it happened to Paul. I was watching the game with Shaun Livingston when it...