BOSTON -- Celtics rookie forward Jayson Tatum sat out the second half of Wednesday's game against the Los Angeles Lakers due to right ankle soreness.
Coach Brad Stevens said Tatum will undergo further testing Thursday after complaining of soreness during the second quarter of the Celtics' 107-96 triumph at TD Garden.
Stevens said Tatum was fitted with a walking boot after the game as a precaution.
"He had imaging here. He's got a sore right ankle, and he's going to have more imaging [Thursday], at which point they'll let us know what they find in that," Stevens said. "I don't know anything else. I guess he had some -- he must've felt it at some point, right there, right before he came out, he asked to be taken out. And then went back in the [locker room], and they ruled him out for the rest of the game.
"He's in a walking boot to be safe tonight, and then he'll be reexamined tomorrow."
Tatum, the No. 3 overall pick in this year's NBA draft, finished Wednesday's contest with five points, one rebound, one assist, one steal and one block in nine minutes of action.
Stevens said he believes Tatum was injured during the game but said the rookie did not recall a specific incident.
Boston, winners of 10 straight, already was playing without forward Gordon Hayward (season-ending ankle injury) and big man Al Horford (concussion). As injuries mount, the Celtics are looking to simply power through.
"We're just trying to do our best to stay healthy, man. That's it," guard Kyrie Irving said. "Hopefully, everything's all right with Jayson; hope everything is all right with Al. We pick up the pieces and keep on trucking. That's the best way I know how.
"We know how as an organization to keep it trucking also."
Tatum has started every game this season. The Celtics moved guard Marcus Smart in with the starters to open the second half of Wednesday's win.
