Brown has 30, Celtics hit 27 3s in win over Knicks
The Knicks have lost four of their last five games.
Watch CBS News
The Knicks have lost four of their last five games.
The title puts a bow on what has been a dominant season which saw the team win an American League-best 106 games.
The Nets followed a romp in Washington by pulling out the victory on the second night of a road back-to-back.
Semyon Varlamov made 22 saves for the Islanders, who were blanked for the first time this season.
Toppin was a key figure in the fourth for the Knicks, shooting 5 for 7 — including three 3s.
Brooklyn shot 14 of 28 from 3-point range and 56% from the field overall.
The shoe giant announced it will halt its relationship with Irving, who has been suspended by the Nets for what the team called a repeated failure to "unequivocally say he has no antisemitic beliefs."
The Yankees could have him signed next week, but if not, the longer it goes, the more the pressure will build.
Irving has been facing backlash for posting about an antisemitic movie on social media.
Mackenzie Blackwood stopped 16 of the 18 shots he faced before exiting with an apparent injury.
The Islanders have won five consecutive games while the Blues have lost six straight in regulation.
Igor Shesterkin made 32 saves in defeat, his first in regulation to fall to 6-1-2.
One day after scoring seven runs, the Phillies were no-hit by Cristian Javier and the Astros' bullpen in a 5-0 loss in Game 4 of the World Series.
Kyrie Irving, the Nets and the Anti-Defamation League released a joint statement Wednesday evening.
Jalen Brunson scored 20 points for the Knicks. RJ Barrett had 19 and Julius Randle finished with 14.