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.
The 76ers are trading Broome and a second-round pick to the Clippers for cash considerations Tuesday, per Shams Charania of ESPN.
Brown (rest) will not play in Saturday's Summer League game against the Spurs, Duane Rankin of The Arizona Republic reports.
Huntley (hamstring) is out for Saturday's Las Vegas Summer League finale versus the Spurs, Duane Rankin of The Arizona Republic reports.
Wagler closed with 26 points (9-19 FG, 2-7 3Pt, 4-5 FT), four rebounds, two assists, one steal and one block across 28 minutes in Friday's 128-120 Summer League win over the Timberwolves.
Sanders (rest) did not participate in the Clippers' 128-120 Summer League overtime win over the Timberwolves on Friday.
Christie (ankle) didn't play in Friday's 128-120 Summer League win over the Timberwolves in overtime.
The Suns are shutting down Maluach (rest) for the rest of the Las Vegas Summer League, per John Gambadoro of Arizona Sports 98.7 FM.
