Former Bulls coach Tom Thibodeau

Minnesota Timberwolves head coach Tom Thibodeau waves to the crowd after being introduced before a game against the Bulls at the United Center on Dec. 13, 2016.

Bulls forward Jimmy Butler waits to enter the game as Minnesota Timberwolves head coach Tom Thibodeau yells out instructions in the first half of a game at the United Center on Dec. 13, 2016.

Minnesota Timberwolves head coach Tom Thibodeau is greeted by Bulls players Taj Gibson (22) and Jimmy Butler (21) before tipoff of a game at the United Center on Dec. 13, 2016.

Minnesota Timberwolves head coach Tom Thibodeau stands for the national anthem before a game against the Bulls at the United Center on Dec. 13, 2016.

Bulls forward Jimmy Butler stands by as Minnesota Timberwolves head coach Tom Thibodeau yells out in the first half of a game at the United Center on Dec. 13, 2016.

Bulls head coach Fred Hoiberg stands by as Minnesota Timberwolves head coach Tom Thibodeau yells out in the first half of a game at the United Center on Dec. 13, 2016.

Timberwolves coach Tom Thibodeau complains about the officiating during the first quarter against the Warriors on Saturday, Nov. 26, 2016, in Oakland, Calif.

Team USA assistant coach Tom Thibodeau, head coach Mike Krzyzewski and assistant coach Jim Boeheim ofwatch their players take on Argentina during a USA Basketball showcase exhibition game at T-Mobile Arena on July 22, 2016 in Las Vegas. The United States won 111-74.

Team USA assistant coach Tom Thibodeau looks on during a practice session at the Mendenhall Center on July 20, 2016 in Las Vegas.

Timberwolves’ Karl-Anthony Towns and new coach Tom Thibodeau enjoy a laugh during a news conference announcing Town’s selection as NBA basketball rookie of the year on May 16, 2016.

Tom Thibodeau walks onto the platform to be introduced as the new Timberwolves coach on April 26, 2016.

Tom Thibodeau is introduced as the new Timberwolves coach on April 26, 2016.

Former Chicago Bulls head coach Tom Thibodeau takes in the action between Duke and Kentucky in the second half of the Champions Classic at the United Center on November 17, 2015.

Tom Thibodeau leaves his press conference after a loss to the Cleveland Cavaliers in Game 6 of the Eastern Conference Semifinals.

Bulls coach Tom Thibodeau and guard Derrick Rose walk off the court after losing to the Cavaliers in Game 6.

Tom Thibodeau meets with his players during a timeout late in the fourth quarter of Game 6 of the Eastern Conference Semifinals.

Tom Thibodeau stands for the National Anthem before Game 6 of the Eastern Conference Semifinals.