The NBA, Knicks and Nets moved to help New York amid the coronavirus pandemic.
There was an early upset in the charity tournament, which is raising money amid the COVID-19 pandemic.
The winner of the tournament, which runs until April 11, will receive $100,000 to give to a charity in support of the coronavirus relief.
Kyrie Irving used social media on Monday to announce that he is partnering up with Feeding America and City Harvest in New York City.
Following criticism directed at the NBA and its teams, Michele Roberts responded on Wednesday.
The Brooklyn Nets responded to criticism directed at them by New York City mayor Bill de Blasio.
Ten-time All-Star Kevin Durant is one of the Brooklyn Nets players who have tested positive for coronavirus.
The NBA is on lockdown and four Brooklyn Nets players have tested positive for coronavirus, with recent opponents being informed.
After the Brooklyn Nets revealed four players tested positive for COVID-19 on Tuesday, Bill de Blasio hit out at the NBA franchise.
There will be no crowd for Thursday's NBA match between the Golden State Warriors and the Brooklyn Nets, amid fears over coronavirus.