As for the "off-ice incident", it all started with a miscommunication between DeAngelo and Rangers goaltender Alex Georgiev during a game against the Pittsburgh Penguins back in January. 10 seconds before the game-winning overtime goal by the Penguins, Georgiev and DeAngelo have a mixup behind the net.
Sidney Crosby gets in between them, and the Rangers players who are already on the ice for a while and noticeably exhausted can't get off. Crosby scores, and the Penguins win. The teams head to the back. Georgiev is sitting, disappointed, and DeAngelo walks by him and makes a sarcastic crack to him. it has been reported that Georgiev clocked him. They go at it, and their teammates break it up. Later that night, the Rangers call DeAngelo's and his agent and they say, 'That's the last straw. You're going on waivers tomorrow.'