The Sixers assigned guard Lorenzo Brown to their D-League affiliate Delaware 87ers on Thursday.
Brown, 23, was called up by the Sixers on Nov. 20 and appeared in 13 games this season.
Brown averaged 3.2 points and 1.8 assists in 10.9 minutes per game. The 6-foot-5, 186-pound Brown shot 33 percent from the field and only 0.63 (1 for 16) from three-point range.
He was the NBA's third call-up from the D-League this season.