Celtics visit Wizards in meeting of NBA's best, worst teams

(Photo credit: Bob DeChiara-USA TODAY Sports)
Teams at opposite ends of the NBA standings will meet Sunday evening when the Boston Celtics visit the Washington Wizards.

Boston (52-14) will look to improve on the league's best record. The Celtics extended their winning streak to four games by beating the visiting Phoenix Suns 127-112 on Thursday.

The Wizards (11-56) have lost three in a row, 19 of their past 21 and own t