The Cavs traded Mann and a 2027 second-round pick to the Wizards on Wednesday in exchange for Cam Whitmore, Shams Charania of ESPN reports.
Beringer could play an expanded role in 2026-27 after the Timberwolves sent Naz Reid to the Hornets as part of the LaMelo Ball trade.
Williams signed a deal with the Wizards on Friday, according to NBA reporter Chris Haynes.
Beekman registered 13 points (5-10 FG, 1-3 3Pt, 1-1 FT), six rebounds, 14 assists and one steal over 31 minutes in Saturday's 91-83 Las Vegas Summer League win over the Hawks.
Watkins (knee) didn't play in Saturday's 91-83 Summer League win over the Hawks.
Okpara posted 12 points (6-13 FG, 0-1 3Pt), eight rebounds, two assists and one block across 27 minutes in Saturday's 91-83 Summer League win over the Hawks.
Williams registered 21 points (8-10 FG, 5-7 3Pt), one rebound and one assist over 17 minutes during Friday's 128-120 Summer League overtime loss to the Clippers.
Beringer (back) has been ruled out for Friday's Summer League game against the Clippers.
Livingston logged 20 points (8-15 FG, 2-5 3Pt, 2-3 FT), nine rebounds and four assists over 31 minutes in Wednesday's 108-94 Summer League loss to the Clippers.
Trimble registered 24 points (8-12 FG, 2-5 3Pt, 4-5 FT), three rebounds, one assist, one steal and one block over 27 minutes in Wednesday's 108-94 Summer League loss to the Clippers.
