The Celtics’ guard was injured when colliding with a teammate during Friday’s game in Denver.

Kemba Walker collapsed to the court during Friday’s game in Denver after colliding with a teammate.

Marcus Smart says a spectator made a derogatory comment to him, and he is not pleased with how security handled the incident.

Boston guard Kemba Walker suffers an apparent head injury when he collides with Semi Ojeleye during the Celtics’ 96-92 loss to Denver.

While he sometimes frustrates fans with his shot selection, Marcus Smart again showed why he’s so important to the team.

Kawhi Leonard and Paul George combine for 42 in their first game together for Los Angeles.

Brad Wanamaker, a 30-year-old guard, has played a key role in Boston’s success in the wake of Gordon Hayward’s injury.

Boston has a 15-point lead at halftime and cruises to a win at Phoenix.

Marcus Smart’s runner in the lane hangs on the rim before trickling off as the buzzer sounds.