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.
Richardson has some obstacles to climb in order to seize an Opening Night role.
Penda could need an impressive training camp with the Magic to carve out a larger role in 2026-27.
Williams signed a deal with the Wizards on Friday, according to NBA reporter Chris Haynes.
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.
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.
Reneau recorded 19 points (6-7 FG, 3-3 3Pt, 2-2 FT), three rebounds, one steal and one block across 18 minutes in Saturday's 103-97 Summer League win over the Celtics.
Toney tallied 18 points (6-13 FG, 2-4 3Pt, 3-4 FT), six rebounds, four steals and one assist across 24 minutes in Saturday's 103-97 Summer League win over the Celtics.
Reddish (knee) didn't play in Saturday's 103-97 Summer League win over the Celtics.
