New Orleans Pelicans' Zion Williamson has pledged to cover the salaries of the employees of the team's Smoothie King Center for the next month.
It follows the postponement of major sport in the US because of coronavirus.
"My mother has always set an example for me about being respectful for others and being grateful for what we have," said the 19-year-old.
The NBA's MVP Giannis Antetokounmpo has pledged $100,000 (£81,000) for workers at the Milwaukee Bucks' FiServ Forum.