Andray Blatche had 31 points and 11 rebounds as the visiting Washington Wizards opened a 28-point first-half lead and held off a late flurry of 3-pointers from Nate Robinson to beat the Boston Celtics, 106-96. Backup JaVale McGee had 14 points with 11 rebounds for the Wizards, who have won four of six since ending a 16-game losing streak. Rajon Rondo had 17 points and 12 assists for playoff-bound Boston, which lost for the fifth time in seven games and was once again booed by the home crowd.
Arenas: Guard Gilbert Arenas began serving his sentence for bringing guns into the team's locker room. According to Arthur Wallenstein, director of Montgomery County Corrections, Arenas arrived at the jail in Rockville at 7:40 p.m. Arenas must spend two days there for medical screening and classification before being transferred to the county's Pre-Release Center, a halfway house. Arenas was sentenced March 26 to 30 days in a halfway house for bringing weapons into the Verizon Center. Corrections officials in Montgomery County agreed to let him serve his sentence there. ... The Wizards signed guard-forward Cartier Martin for the remainder of the season.