Highsmith was waived by the Suns on Wednesday, Michael Scotto of HoopsHype.com reports.
Maluach is set to battle with Oso Ighodaro for the top backup role at center behind Mark Williams during training camp.
Fleming will likely have to navigate through a crowded Suns frontcourt for an Opening Night role.
Doncic (hamstring) recently stated he is "100% healthy again," Dan Woike of The Athletic reports.
Knecht could receive a larger offensive opportunity following LeBron James' departure, as the Lakers have significant scoring to replace, Broderick Turner of the Los Angeles Times reports.
LaRavia could see an expanded role following LeBron James' departure, though the Lakers' additions of Matisse Thybulle, Ziaire Williams and Sandro Mamukelashvili should create added competition for frontcourt minute, Broderick Turner of the Los Angeles Times reports.
Vanderbilt should continue to provide defensive value after LeBron James' exit from the Lakers, Broderick Turner of the Los Angeles Times reports.
Kaluma agreed to a two-way deal with the Lakers on Monday, Shams Charania of ESPN reports.
Thybulle agreed to a one-year, $3.3 million contract with the Lakers on Monday, Shams Charania of ESPN reports.
Brown (rest) will not play in Saturday's Summer League game against the Spurs, Duane Rankin of The Arizona Republic reports.
