Former Bulls coach Fred Hoiberg

Chicago Bulls head coach Fred Hoiberg, reacts after a play during the second half of their game against the Charlotte Hornets at the United Center on Oct. 24, 2018.

Chicago Bulls head coach Fred Hoiberg with his players during the second half of their game against the Toronto Raptors, at the United Center on Nov. 17, 2018.

Chicago Bulls head coach Fred Hoiberg heads to the locker room after his team’s loss to the Toronto Raptors at the United Center on Nov. 17, 2018.

Chicago Bulls coach Fred Hoiberg during the first half of their game against the Toronto Raptors, at the United Center on Nov. 17, 2018.

Bulls head coach Fred Hoiberg walks on the court during the second half against the Warriors at the United Center on Oct. 29, 2018.

Chicago Bulls head coach Fred Hoiberg during media day, Sept. 24, 2018, at the Advocate Center.

Zach LaVine with Bulls coach Fred Hoiberg at media day on Sept. 24, 2018.

Bulls coach Fred Hoiberg speaks during a press conference to introduce the team’s draft picks, Monday, June 25, 2018, at the Advocate Center.

Bulls coach Fred Hoiberg, right, talks to GGM Gar Forman during the NBA combine Thursday, May 17, 2018, at Quest Multisport.

Bulls coach Fred Hoiberg, right, speaks to Trail Blazers GM Neil Olshey on the sidelines during the NBA combine Thursday, May 17, 2018, at Quest Multisport.

Bulls coach Fred Hoiberg hugs players as time expires on a season-ending loss against the Pistons at the United Center on Wednesday, April 11, 2018.

Bulls coach Fred Hoiberg gestures during the second half a game against the Nets at the United Center on Saturday, April 7, 2018.

Bulls coach Fred Hoiberg talks to guard Sean Kilpatrick (0) prior to entering a game against the Heat, Thursday, March 29, 2018, in Miami.

Bulls coach Fred Hoiberg knocks the ball away during a timeout in the first half against the Grizzlies Thursday, March 15, 2018, in Memphis, Tenn.

Bulls coach Fred Hoiberg talks to his team during the first half against the Clippers, Tuesday, March 13, 2018.

Bulls coach Fred Hoiberg gives some direction to his team in the second half against the Wizards on Feb. 10, 2018, at the United Center.

Bulls coach Fred Hoiberg talks with players during the first half against the Lakers Friday, Jan. 26, 2018, in Chicago.

Bulls coach Fred Hoiberg shouts from the sideline during the first half against the 76ers, Wednesday, Jan. 24, 2018, in Philadelphia.

Zach LaVine talks with Bulls coach Fred Hoiberg in the first half of a game against the Pistons at the United Center on Jan. 13, 2018.

Bulls coach Fred Hoiberg reacts to a call during the first half against the Mavericks in Dallas on Jan. 5, 2018.

Bulls coach Fred Hoiberg walks on the court during the first half against the Knicks at the United Center on Dec. 27, 2017.

Bulls coach Fred Hoiberg speaks to the media regarding the incident between players Bobby Portis and Nikola Mirotic following practice held at the Advocate Center on Oct. 18, 2017.

Bulls coach Fred Hoiberg and Denzel Valentine at Media Day on Sept. 25, 2017.

Bulls coach Fred Hoiberg pleads with a referee during the first half of a playoff game against the Celtics at the United Center on April 23, 2017.

Bulls coach Fred Hoiberg looks on during the first half against the 76ers on April 6, 2017, in Philadelphia. The Bulls won 102-90.

Fred Hoiberg argues a call late in the second quarter of his team’s game against the Clippers at the United Center on Saturday, March 4, 2017.

Fred Hoiberg with his players before the start of the Bulls’ game against the Philadelphia 76ers at the United Center on Sunday, Jan. 29, 2017.

Bulls guard Dwyane Wade and Fred Hoiberg during the second half against the Kings at the United Center on Saturday, Jan. 21, 2017.

Fred Hoiberg during the second half against the Kings at the United Center on Saturday, Jan. 21, 2017.

Fred Hoiberg walks down the court during the first half against the Mavericks at the United Center on Tuesday, Jan. 17, 2017.

Fred Hoiberg questions a call during a game against the Pelicans at the United Center on Jan. 14, 2017.

Bulls head coach Fred Hoiberg, right, gestures during the second half next to forward Doug McDermott against the Wizards on Tuesday, Jan. 10, 2017, in Washington.

Bulls guard Dwyane Wade talks with head coach Fred Hoiberg during the second half of their game against the Thunder at the United Center on Monday, Jan. 9, 2017.

Bulls coach Fred Hoiberg talks to his players during the second half against the Pacers on Dec. 26, 2016.

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

Referee Marc Davis, foreground, walks away from Robin Lopez, Fred Hoiberg and Dwyane Wade after ejecting Hoiberg during the second half against the Clippers on Saturday, Nov. 19, 2016, in Los Angeles.

Jimmy Butler speaks with Fred Hoiberg during the first half of a game against the Boston Celtics at the United Center on Oct. 27, 2016.

Fred Hoiberg, left, talks to his team during the second half against the Wizards at the United Center on Saturday, Nov. 12, 2016.

Fred Hoiberg and Dwyane Wade converse during the game against the Hawks at Philips Arena on Nov. 9, 2016, in Atlanta.

Fred Hoiberg tosses the ball to the referee after it went out of bounds during the first half against the Magic at the United Center on Monday Nov. 7, 2016.

Dwyane Wade and Fred Hoiberg on the floor in the second half against the New York Knicks at the United Center on Friday, Nov. 4, 2016.

Fred Hoiberg argues a call in the first half against the New York Knicks at the United Center on Friday, Nov. 4, 2016.

Fred Hoiberg speaks with Rajon Rondo during the second half of an exhibition game against the Hornets at the United Center, Monday, Oct. 17, 2016.

Chicago Bulls head coach Fred Hoiberg, with Chicago Bulls guard Derrick Rose during the first half of their game against the New York Knicks, at the United Center, on March 23, 2016.

Fred Hoiberg stands with first-round draft pick Denzel Valentine and general manager Gar Forman on Monday June, 27, 2016, at Advocate Center.

Fred Hoiberg during the Bulls-Kings game at the United Center on March 21, 2016.

Bulls head coach Fred Hoiberg picks up a ball during a break in the action at the United Center against the Rockets on March 5, 2016.

Bulls coach Fred Hoiberg and his players during a timeout during a game against the Trail Blazers at the United Center on Feb. 27, 2016.

Pau Gasol, Jimmy Butler and Fred Hoiberg during the final minutes of their game against the Heat.

Fred Hoiberg has words with Jimmy Butler during the second half of their game against the Heat.

Fred Hoiberg talks with Jimmy Butler during a game against the Warriors.

Fred Hoiberg talks with E’Twaun Moore during the second half against the Warriors.

Fred Hoiberg talks things over with his team during overtime against the 76ers.

Fred Hoiberg gives some direction to his team in the second half of a game against the Boston Celtics.

Fred Hoiberg argues a call in the second half of a game against the New York Knicks.

Fred Hoiberg during a game against the Indiana Pacers.

Fred Hoiberg looks on in the first half of a game against the Knicks at the United Center on Jan. 1, 2016.

Fred Hoiberg talks to Jimmy Butler and Pau Gasol during the first half against the Nets on Dec. 21, 2015, in Chicago.

Derrick Rose and Bulls coach Fred Hoiberg during the quadruple overtime game against the Pistons at the United Center.

Bulls coach Fred Hoiberg looks on in the second half of a game against the Grizzlies at the United Center.

Bulls coach Fred Hoiberg calls a play during the first half against the 76ers.

Fred Hoiberg looks on during the first quarter against the Celtics at TD Garden.

Doug McDermott stands by as Fred Hoiberg gives some direction to the team against the Charlotte Hornets.

Fred Hoiberg motions from the bench during the first half against the Denver Nuggets.

Fred Hoiberg with his players during the second half of their game against the San Antonio Spurs.

Fred Hoiberg calls a timeout against the Charlotte Hornets.

Fred Hoiberg points at the bench during a timeout in the first half against the Thunder at the United Center.

Fred Hoiberg watches the Bulls from the bench during the second half of the season opener against the Cavaliers.

Bulls head coach Fred Hoiberg, center, diagrams a play during a timeout in the second half of a preseason game against the Hornets.

Fred Hoiberg walks on the sideline before a preseason game against the Milwaukee Bucks.

Fred Hoiberg gives some instruction to his team in a preseason game against the Milwaukee Bucks.

New coach Fred Holberg speaks to the media at Bulls media day.

Bulls coach Fred Hoiberg and Derrick Rose pose for a portrait at Bulls media day.

Bulls general manager Gar Forman (left) and coach Fred Hoiberg introduce first-round draft pick Bobby Portis on June 29, 2015.

New Chicago Bulls head coach Fred Hoiberg at the conclusion of a photo shoot at the Advocate Center.

Fred Hoiberg takes a shot at the basket as daughter Paige watches at the Advocate Center.

Fred Hoiberg poses with his family at the Advocate Center.

Iowa State head coach Fred Hoiberg checks the scoreboard during the second half of a game against Oklahoma.

Iowa State head coach Fred Hoiberg argues a call during a game against the Kansas Jayhawks.

Timberwolves’ Fred Hoiberg is pressured by the Nuggets’ Michael Doleac and Earl Boykins during Game 5 of the Western Conference Quarterfinalsin 2004.

Timberwolves guard Fred Hoiberg talks with reporters about his heart surgery during a news conference in 2005. Hoiberg announced his retirement on April 17, 2006, nearly 10 months after open-heart surgery.

Fred Hoiberg during a preseason game against the Raptors.

Fred Hoiberg calls for a full time out at the request of coach Tim Floyd during a game against the Sacramento Kings at the Bulls home opener at United Center.

Fred Hoiberg drives to the basket over Nets’ Lucious Harris.

Fred Hoiberg is guarded by Los Angeles Clippers’ Lamar Odom in 2001. Hoiberg scored 22 points in the Bulls’ 93-80 loss to the Clippers.

Atlanta Hawks guard Isaiah Rider tries to steal the ball from Fred Hoiberg.

Fred Hoiberg and teammate Michael Ruffin try to stop the pass of the Jason Kidd.

Corey Benjamin and Fred Hoiberg can’t believe an out of bounds call in the last seconds of a game against the 76ers.

Fred Hoiberg guards a Detroit player during game action from the last home game of the season in 2002.