Dallas Mavericks' Brandan Wright, left, breaks up a drive to the basket by Minnesota Timberwolves' Andrei Kirilenko (47), of Russia, during the first half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. (AP Photo/Tony Gutierrez)

Dallas Mavericks' Troy Murphy (6) breaks up a shot attempt by Minnesota Timberwolves' Malcolm Lee (8) as Greg Stiemsma (34) watches during the first half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. (AP Photo/Tony Gutierrez)

Dallas Mavericks' Dahntay Jones (30) chases a ball out of bounds and falls into the lap of Minnesota Timberwolves head coach Rick Adelman as members of the coaching staff watch during the first half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. (AP Photo/Tony Gutierrez)

Minnesota Timberwolves' Andrei Kirilenko, left, of Russia, and Dallas Mavericks' O.J. Mayo (32) tangle up as they compete for a loose ball during the first half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. (AP Photo/Tony Gutierrez)

Dallas Mavericks' O.J. Mayo drives around a pick by Mavericks' Elton Brand, right, as Minnesota Timberwolves' Malcolm Lee (8) gives chase during the first half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. (AP Photo/Tony Gutierrez)

Referee Jason Phillips, left, blows his whistle after ejecting Dallas Mavericks head coach Rick Carlisle, right, who is held back by Vince Carter, rear, during the second half of an NBA basketball game against the Minnesota Timberwolves, Monday, Nov. 12, 2012, in Dallas. The Timberwolves won 90-82. (AP Photo/Tony Gutierrez)

Minnesota Timberwolves' Nikola Pekovic (14), of Montenegro, is helped off the court by members of the staff after suffering an unknown injury during the second half of an NBA basketball game against the Dallas Mavericks, Monday, Nov. 12, 2012, in Dallas. Pekovic had 20-points before leaving in the 90-82 Timberwolves win. (AP Photo/Tony Gutierrez)

Dallas Mavericks' Brandan Wright (34) defends as Minnesota Timberwolves' Nikola Pekovic (14), of Montenegro, attempts a shot in the first half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. Pekovic had 20-points before leaving the game in the second half with an unknown injury. The Timberwolves defeated the Mavericks 90-82. (AP Photo/Tony Gutierrez)

Dallas Mavericks' Dirk Nowitzki (41), of Germany, waves to fans as he leaves the court following an NBA basketball game against the Minnesota Timberwolves, Monday, Nov. 12, 2012, in Dallas. Nowitzki, who is recovering from right knee surgery, did not play in the 90-82 Mavericks' loss. (AP Photo/Tony Gutierrez)

Minnesota Timberwolves' Luke Ridnour (13) looks for an opening against Dallas Mavericks' Darren Collison (4) during the second half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. The Timberwolves won 90-82. (AP Photo/Tony Gutierrez)

Dallas Mavericks' O.J. Mayo makes a steal against Minnesota Timberwolves' Lou Amundson, right, in the second half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. Mayo had 18-points in the 90-82 loss to the Timberwolves. (AP Photo/Tony Gutierrez)

Minnesota Timberwolves' Andrei Kirilenko (47), of Russia, and Dante Cunningham, right, defend against a shot attempt by Dallas Mavericks' Darren Collison (4) in the second half of an NBA basketball game, Monday, Nov. 12, 2012, in Dallas. Collison led his team in scoring, with 21-points in the 90-82 Mavericks loss. (AP Photo/Tony Gutierrez)

FILE - In this Nov. 12, 2012, file photo, Dallas Mavericks assistant coach Jim O'Brien instructs the team after head coach Rick Carlisle was ejected from an NBA basketball game against the Minnesota Timberwolves in Dallas. O'Brien is retiring after a 30-year career that included heading coaching stints in Boston, Philadelphia and Indiana. (AP Photo/Tony Gutierrez, File)