Three former Vols competed in the NBA on Monday, while one player was inactive.
Miami defeated Philadelphia, 119-113, at Kaseya Center in Miami, Florida.
Tobias Harris started at forward for the 76ers. He totaled 27 points, seven rebounds, six assists and one steal in 42 minutes.
Jaden Springer played one minute for the 76ers and did not record any statistics against Miami.
Josh Richardson was inactive for the Heat due to a back injury.
Dallas defeated Phoenix, 128-114, at Footprint Center in Phoenix, Arizona.
Grant Williams recorded three points, three rebounds, three blocks and one assist in 27 minutes for the Mavericks.