Boston Celtics

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Boston Celtics forward Jared Sullinger, right, hauls down a rebound against Toronto Raptors center Jonas Valanciunas (17) during the during the second quarter of an NBA basketball game in Boston, Wednesday, Jan. 15, 2014. (AP Photo/Charles Krupa)

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Toronto Raptors guard Terrence Ross (31) hauls down a rebound against Boston Celtics forward Brandon Bass (30) during the first quarter of an NBA basketball game in Boston, Wednesday, Jan. 15, 2014. (AP Photo/Charles Krupa)

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Boston Celtics forward Kris Humphries, front, grabs a rebound against Toronto Raptors center Jonas Valanciunas, right, and forward John Salmons, rear, during the first quarter of an NBA basketball game in Boston, Wednesday, Jan. 15, 2014. (AP Photo/Charles Krupa

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Boston Celtics forward Jared Sullinger, left, tangles with Toronto Raptors center Jonas Valanciunas on a rebound during the first quarter of an NBA basketball game in Boston, Wednesday, Jan. 15, 2014. (AP Photo/Charles Krupa)

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Boston Celtics guard Rajon Rondo stretches prior to an NBA basketball game against the Toronto Raptors, in Boston, Wednesday, Jan. 15, 2014. Rondo took a step toward returning to action on Wednesday, working out with members of Boston's NBA Development League team at the Celtics' practice facility earlier in the day. (AP Photo/Charles Krupa)

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Boston Celtics guard Rajon Rondo takes a shot prior to the Celtics' NBA basketball game against the Toronto Raptors, in Boston on Wednesday, Jan. 15, 2014. Rondo took a step toward returning to action on Wednesday, working out with members of Boston's NBA Development League team at the Celtics' practice facility earlier in the day. (AP Photo/Charles Krupa)