San Antonio Spurs head coach Gregg Popovich in a mask as he talks with players on the bench during the second half of an NBA basketball game against the Houston Rockets Tuesday, Dec. 15, 2020, in Houston. (AP Photo/Michael Wyke)

Los Angeles Lakers forward LeBron James (23) calls a play against the Phoenix Suns during the first half of a preseason NBA basketball game, Friday, Dec. 18, 2020, in Phoenix, Ariz. (AP Photo/Matt York)

FILE - In this Sept. 8, 2020 file photo, Milwaukee Bucks' Giannis Antetokounmpo, center, shouts from the bench in the first half of an NBA conference semifinal playoff basketball game against the Miami Heat in Lake Buena Vista, Fla. Antetokounmpo has appeared in a government ad in his native Greece, released ahead of Christmas to urge people to observe public safety measures during the pandemic. (AP Photo/Mark J. Terrill, File)

Golden State Warriors guard Stephen Curry, center left, laughs during a conversation with Sacramento Kings head coach Luke Walton after the Warriors beat the Kings 113-109 in an NBA preseason basketball game in Sacramento, Calif., Thursday, Dec. 17, 2020. (AP Photo/Rich Pedroncelli)