Four University of Tennessee basketball players competed in the NBA Saturday. Two others were inactive.
In Boston, the Celtics defeated Chicago, 114-112, at TD Garden.
Richardson totaled 13 points, two assists, one rebound, one steal and one block. He was 5-for-9 from the floor and 3-for-5 from beyond the 3-point arc.
Williams had three points, one rebound and one assist in 14 minutes.
In Miami, Philadelphia defeated the Heat, 109-108, at FTX Arena.
Tobias Harris started and played 42 minutes for the 76ers. He had 22 points, eight rebounds, three assists and one block. He went 9-for-13 from the floor, 3-for-3 from beyond the 3-point arc and 1-for-1 from the free throw line.
Jaden Springer was inactive for the 76ers.
In Dallas, the Mavericks defeated Orlando, 108-92, at American Airlines Center.
Admiral Schofield played six minutes for the Magic and had one rebound.
Rookie Keon Johnson was inactive for Los Angeles in its 101-94 loss in San Antonio.