Jayson Tatum scored a game-high 50 points as the Boston Celtics beat the Washington Wizards 118-100 to secure their place in the NBA play-offs Tuesday night.Boston won the play-in contest to secure the seventh seed in the Eastern Conference play-offs.They will meet the second-seeded Brooklyn Nets in the first round, with game one scheduled for Saturday.Washington have one more chance to make the post-season when they host the Indiana Pacers on Thursday.
