Both players had been battling all night long and tempers finally boiled over after both players went for the ball in the third quarter.
Chriss did not hold back, as he responded with a punch, before players and staff from both teams rushed onto the court.
Pour gagner la C1, mieux vaut Cristiano Ronaldo que Neymar — PSG
Dans l'autre match de la soirée, déjà vainqueur à l'aller (2-3), Manchester City a écrasé Schalke 04 sur sa pelouse 7-0 pour passer en quarts de finale.
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. "He played a terrific all-around game".
Ibaka's Raptors team-mate Kawhi Leonard spokes about the incident after the game but claimed he didn't get a good view of the skirmish.
The Raptors are vying for an Eastern Conference win this season, as their team is second in the East now, with a 48-20 record.
Chiefs to sign safety Tyrann Mathieu
According to ESPN's Adam Schefter, Mathieu is expected to sign a three-year, $42 million contract . But his addition could be the first step in returning some respectability to the Chiefs' defense.
A day after committing 21 turnovers in a 21-point win over Miami, Toronto committed 20 turnovers in a 25-point loss to Cleveland.
Cavaliers: Cleveland is 5-4 since the All-Star break. Ibaka ended up falling backward after being guarded by Chriss. McCaw appeared in three games with the Cavaliers earlier this season.
Kevin Love, with 16 points and 18 rebounds, recorded his ninth double-double in 14 games this season. G Matthew Dellavedova (concussion) missed his second straight game.
Woman attacked by jaguar apologizes to Wildlife World Zoo
Now, the zoo is assuring the public that nothing will happen to the jaguar after the attack. They added the jaguar never left her cage and the woman was never in the animal's enclosure.
Quotable - Coach Larry Drew, on his rookie point guard's performance on Monday ... I really didn't get to see it until the final five seconds'. This has been an ongoing trend for the Raptors, and they'll have to adjust to the fact that this simply isn't Gasol's game, he needs to be used as a playmaker more than as a post-up threat, and when they keep him involved in the right places it helps the team succeed.