Trail Blazers point guard Damian Lillard is day to day after injuring his left ankle midway through the fourth quarter of a 110-90 loss to the Spurs on Friday night.

Results of an X-ray came back negative, ESPN reported Saturday.

“I know I rolled it good,” Lillard said. “I went back in the game because I wanted to test it, and it hurt.”

Lillard, who is averaging 27 points and 6.2 assists per game this season, left the arena in a walking boot.

After sitting out 14 games with a strained right Achilles tendon, Dirk Nowitzki returned to the Mavericks lineup Friday night and helped them defeat the Clippers, 90-88. Nowitzki scored 17 points and grabbed four rebounds in 15 minutes. ... Dwyane Wade and LeBron James have a chance today to join Kobe Bryant and Oscar Robertson as the only players to eclipse 300 career points in Christmas Day games. Wade had 277 before the Bulls' game in San Antonio, while James was at 270 before the Cavaliers hosted the Warriors. News services