The New York Knicks are one win away from advancing to the NBA's Eastern Conference semifinals following another stifling performance against the Boston Celtics.

 

Iman Shumpert #21 of the New York Knicks congratulates his teammates including Raymond Felton #2 of the New York Knicks during Game Three of the Eastern Conference Quarterfinals (Jared Wickerham/Getty Images)

The Knicks allowed just 31 points in the first half and carried a 16-point lead into the break before completing a 90-76 win over the Celtics in Boston. Carmelo Anthony paced the Knicks with 26 points and J.R. Smith added 15 before he was ejected for a flagrant foul early in the fourth quarter. Raymond Felton also had 15 points and a team-high 10 assists for the Knicks, who haven't allowed more than 78 points in any of the first three games of the series.

Jeff Green had a team-high 21 points for the Celtics, while Kevin Garnett added 12 and 17 rebounds.

New York can complete a four-game sweep by winning Sunday in Boston.

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