Boston Celtics forward Paul Pierce, right, battles for rebound with Charlotte Bobcats forward Michael Kidd-Gilchrist during the first quarter of an NBA basketball game in Boston, Monday, Jan. 14, 2013. (AP Photo/Charles Krupa)

Boston Celtics forward Brandon Bass (30) trie to block Charlotte Bobcats guard Kemba Walker (15) on a drive to the basket during the first quarter of an NBA basketball game in Boston, Monday, Jan. 14, 2013. (AP Photo/Charles Krupa)

Boston Celtics forward Paul Pierce, right, passes the ball to center Jason Collins (98) as he is pressured by Charlotte Bobcats center Brendan Haywood during the first quarter of an NBA basketball game in Boston, Monday, Jan. 14, 2013. (AP Photo/Charles Krupa)

Charlotte Bobcats forward Michael Kidd-Gilchrist (14) reaches up as he tries to block Boston Celtics forward Paul Pierce (34) during the first quarter of an NBA basketball game in Boston, Monday, Jan. 14, 2013. (AP Photo/Charles Krupa)

Charlotte Bobcats forward Hakim Warrick grabs a loose ball as he hits the court against the Boston Celtics during the first quarter of an NBA basketball game in Boston, Monday, Jan. 14, 2013. (AP Photo/Charles Krupa)

Boston Celtics forward Paul Pierce, left, and Charlotte Bobcats forward Michael Kidd-Gilchrist reach for a loose ball during the second half of an NBA basketball game in Boston, Monday, Jan. 14, 2013. (AP Photo/Charles Krupa)

Boston Celtics guard Rajon Rondo (9) reaches out as he is congratulated by fans after a basket against the Charlotte Bobcats during the fourth quarter of an NBA basketball game in Boston, Monday, Jan. 14, 2013. Rondo scored 17 point with 12 assists and 10 rebounds as the Celtics won 100-89. (AP Photo/Charles Krupa)

Boston Celtics guard Rajon Rondo, center, shoots over Charlotte Bobcats forward Bismack Biyombo (0) during the second half of an NBA basketball game in Boston, Monday, Jan. 14, 2013. Rondo scored 17 point with 12 assists and 10 rebounds as the Celtics won 100-89. At right is Bobcats guard Gerald Henderson. (AP Photo/Charles Krupa)

Charlotte Bobcats forward Bismack Biyombo (0) tries to grab a rebound against Boston Celtics forward Jared Sullinger during the second half of an NBA basketball game in Boston, Monday, Jan. 14, 2013. The Celtics won 100-89. (AP Photo/Charles Krupa)