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Washington, DC (SportsNetwork.com) - Boston Celtics guard Avery Bradley sustained a sprained right ankle during Tuesday's road loss to the Miami Heat.

Celtics head coach Brad Stevens confirmed the injury Wednesday, saying that Bradley is "probably out a couple of weeks" due to the injury.

Bradley, 23, is averaging a career-high 14.5 points and 4.1 rebounds through 43 games this season, his fourth with the Celtics since being drafted 19th overall by Boston in 2010.