The Boston Celtics have acquired Josh Richardson from the Dallas Mavericks for Moses Brown. Boston used a traded player exception to absorb the contract of Richardson. 

Richardson averaged 12.1 points, 3.3 rebounds, 2.6 assists, 1.0 steals and 30.3 minutes in 59 games (56 starts) while shooting 91.7% (99-108 FT) from the foul line. 

Boston acquired Brown as part of the Kemba Walker and Al Horford trade. Brown averaged 8.6 points, 8.9 rebounds, 0.7 steals, 1.1 blocks and 21.4 minutes in 43 games (32 starts) with the Thunder last season.