Tom Thibodeau

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Minnesota Timberwolves new point guard Jimmy Butler, right, pats Timberwolves head coach Tom Thibodeau on the back during a press conference at Mall of America in Bloomington, Minn., on Thursday, June 29, 2017.(AP Photo/Andy Clayton-King)

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FILE - In this Wednesday, Jan. 11, 2017 file photo, Minnesota Timberwolves head coach Tom Thibodeau yells instructions to his players during the second half of an NBA basketball game against the Houston Rockets in Minneapolis. Minnesota Timberwolves president and coach Tom Thibodeau says the team is trying to remain as flexible as possible going into Thursday night's, June 22, 2017 NBA draft. (AP Photo/Jim Mone, File)

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Minnesota Timberwolves coach Tom Thibodeau, right, argues a call with a referee during the first half of the team's NBA basketball game against the Golden State Warriors on Tuesday, April 4, 2017, in Oakland, Calif. (AP Photo/Tony Avelar)

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In this Oct. 19, 2016 file photo, Minnesota Timberwolves head coach Tom Thibodeau directs his team against the Memphis Grizzlies in Minneapolis. Thibodeau has the reputation as a basketball robot, the ultimate grinder who puts the game over everything else in his life. In his short time in Minnesota, it's already clear who's running the show. (AP Photo/Jim Mone,File)

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FILE- In htis Jan. 29, 2012, file photo, Chicago Bulls head coach Tom Thibodeau gestures during the first half of an NBA basketball game against the Miami Heat in Miami. The Bulls fired Thibodeau on Thursday, May 28, 2015. (AP Photo/Wilfredo Lee, File)

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Washington Wizards forward Paul Pierce, left, pokes Chicago Bulls center Joakim Noah, rigth, in the head during a time-out as Bulls head coach Tom Thibodeau, center, gets between the two during the first half of a pre-season NBA basketball game in Chicago, on Monday Oct. 6, 2014. (AP Photo/Jeff Haynes)

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Chicago Bulls coach Tom Thibodeau, left, and player D.J. Augustin, right, argue a call with referee Kevin Scott, center, during the first half of an NBA basketball game against the Charlotte Bobcats in Charlotte, N.C., Wednesday, April 16, 2014. (AP Photo/Chuck Burton)