Both players were ejected for the scuffle, but today the National Basketball Association announced a three-game suspension for Ibaka and a one-game suspension for Chriss.
Ibaka and Chriss collided while going for a full-court pass near the Raptors' basket.
Ibaka hit the court hard in the second quarter after being fouled by Chriss after scoring on a rebound.
Cavaliers star Chriss walked away thinking his defensive job was complete, only for a furious Ibaka to walk up and grab him by the throat from behind. Both players were ejected for the incident.
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Cleveland Cavaliers - without former talisman LeBron James - lie second-bottom in the Eastern Conference and have nothing to play for but pride.
Cleveland opened up an 11-point lead early in the third period with Sexton and Zizic combining to score seven consecutive points.
Toronto rolled to a 125-104 win over the Heat without Leonard, tying a franchise record with 21 3-pointers and outscoring Miami 63-24 from beyond the arc.
The Raptors, showing signs of being exhausted in their third straight road game, struggled throughout the game.
Before Ibaka, still seething, strode out of the arena without answering to reporters for his sins, he confirmed through a Raptors spokesman that it was what Chriss said to him that set him off. "It's going to cost him a game, probably", Nurse said.
Their punishments haven't been confirmed, but it's likely both will be suspended for at least a couple of games.