Chicago Bulls forward Taj Gibson (22) is fouled by Dallas Mavericks center Brendan Haywood (33) during the first quarter of an NBA basketball game, Wednesday, March 17, 2010, in Dallas. (AP Photo/Tim Sharp)

Chicago Bulls' Taj Gibson tries to block shot from Utah Jazz's Deron Williams during the second quarter of an basketball game in Chicago on Tuesday, March 9, 2010. (AP Photo/Charles Cherney)

Chicago Bulls forward Taj Gibson, left, battles Atlanta Hawks forward Josh Smith for a loose ball during the first half of an NBA basketball game Monday, March 1, 2010, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bulls' Taj Gibson (22) puts up a shot over Indiana Pacers' Danny Granger (33) during the first half of an NBA basketball game in Indianapolis, Saturday, Feb. 27, 2010. (AP Photo/Tom Strattman)