It was also the league's first conference under professional status as recognized by the Games and Amusement Board.
[2] The inaugural pro league season opened on July 18, 2021 with 11 teams.
[3][4] However the league was suspended in July 30, 2021 due to stricter COVID-19 community quarantine imposed in Greater Manila.
[6][7] The Pampanga Delta clinched the 2021 NBL title at La Union Paower's expense.
[8] Due to the COVID-19 pandemic in Metro Manila, the season was played in Bren Z. Guiao Convention Center in San Fernando, Pampanga in a closed-circuit format behind closed doors.