Celtics' Al Horford: Set to play against Atlanta

Five-time All-Star to return after missing Boston's last game

Horford expected to start

Boston Celtics center Al Horford is set to return to the lineup Tuesday night against the Atlanta Hawks, after missing the team's last game due to lower back stiffness.

Horford, a five-time All-Star, is averaging 12.2 points and 9.8 rebounds per game this season. He is expected to start against the Hawks, a team he has averaged 14.3 points and 11.0 rebounds against in his career.

The Celtics are currently 32-29 this season, and are in seventh place in the Eastern Conference. They are 1-2 in their last three games.

The Hawks are 29-32 this season, and are in eighth place in the Eastern Conference. They are 2-1 in their last three games.