Richardson didn't play in Saturday's 116-107 loss to Long Island due to a concussion.
Richardson posted 19 points (6-13 FG, 5-10 3Pt, 2-2 FT), two rebounds, two steals and one assist over 22 minutes in Monday's 125-124 loss to the Raptors 905.
Richardson agreed to a contract Saturday with Israeli club Hapoel Holon, Lior Hai of Eurobasket.com reports.
Richardson has yet to play for the Charge since being acquired by the G League team last week, Adam Johnson of 2Ways10Days.com reports.
Richardson (knee) was waived by the 76ers on Thursday, Derek Bodner of The Athletic reports.
Richardson (knee) was traded to the Sixers on Wednesday in exchange for cash considerations, Keith Pompey of the Philadelphia Inquirer reports.
Richardson (knee) is listed as out for Tuesday's game against the 76ers.
Richardson (knee) is listed as out for Sunday's game against the Clippers.
Richardson (knee) will not play Monday against Westchester.
Richardson was assigned to the Raptors 905 for Thursday's game against the Swarm, Blake Murphy of The Athletic reports.