The Pelicans announced Anderson was taken to a local hospital and is being evaluated for a cervical stinger, per NBA.com's David Aldridge.
The Pelicans were inbounding the ball from under their own basket when Wallace knocked into Anderson from behind. Anderson fell to the floor and remained there for a few minutes before being taken off the court on a stretcher to be examined.
Pelicans forward Ryan Anderson suffers scary injury versus Celtics. https://t.co/ecUdxZ0bPH— Tyler Lashbrook (@lashy) January 4, 2014
The six-year forward had recorded 13 points and a team-high seven rebounds prior to the injury.
On the season, the sharpshooting forward is averaging 20.1 points and 6.4 rebounds on 41 percent shooting from three-point range.