Taj Gibson

Taj Gibson is fouled while going to the basket against the Miami Heat during the second half in Chicago on Friday, Jan. 27, 2017.

Taj Gibson holds his head during the final seconds of his team’s loss to the Atlanta Hawks at the United Center on Wednesday, Jan. 25, 2017.

Taj Gibson hangs on to a loose ball in front of Atlanta Hawks forward Thabo Sefolosha and Atlanta Hawks forward Paul Millsap during the first half at the United Center on Wednesday, Jan. 25, 2017.

Taj Gibson reacts after a basket by teammate Dwyane Wade against the Kings during the second half at the United Center on Saturday, Jan. 21, 2017.

Knicks forward Carmelo Anthony tries to get past Taj Gibson at Madison Square Garden on Jan. 12, 2017, in New York City.

Taj Gibson during the second half against the Raptors at the United Center on Saturday, Jan. 7, 2017.

Taj Gibson drives against the Cavaliers’ Tristan Thompson in the first half on Jan. 4, 2017.

Taj Gibson gets pumped after a basket by Jimmy Butler against the Hornets late in the 2nd half at the United Center on Jan. 2, 2017.

Taj Gibson reacts after being called on a foul against the Nets’ Rondae Hollis-Jefferson during the second half on Dec. 28, 2016.

Taj Gibson and the Pacers’ Paul George battle under the basket during the first half at the United Center on Dec. 26, 2016.

Taj Gibson grabs a rebound against the Pistons at the United Center on Dec. 19, 2016.

Taj Gibson reacts after a strong play in the first half of a game against the Timberwolves at the United Center on Dec. 13, 2016.

Taj Gibson drives against Mavericks forward Dorian Finney-Smith as Deron Williams looks on during the first half in Dallas on Saturday, Dec. 3, 2016.

Taj Gibson reacts to a referee’s call during the first half against the Lakers at the United Center on Wednesday, Nov. 30, 2016, in Chicago.

Taj Gibson reacts near the end of the second half against the Lakers at the United Center on Wednesday, Nov. 30, 2016, in Chicago.

Taj Gibson looks on from the bench while biting his towel during the first half against the 76ers on Nov. 25, 2016.

Taj Gibson goes up for a basket over the Nuggets’ Kenneth Faried in the first half on Nov. 22, 2016.

Taj Gibson dunks against the Wizards during the second half at the United Center on Nov 12, 2016.

Taj Gibson takes a shot over the Magic’s Serge Ibaka during the first half on Nov. 7, 2016 at the United Center.

Taj Gibson and the Knicks’ Joakim Noah battle for a rebound in the second half at the United Center on Nov. 4, 2016.

Taj Gibson disputes a call during the third quarter against the Celtics at TD Garden on Nov. 2, 2016.

Taj Gibson reacts after being called for a foul against the Nets on Oct. 31, 2016.

Taj Gibson dives for the rebound during the second half against the Hornets at the United Center on Oct. 17, 2016.

Taj Gibson signs autographs before the preseason game against the Hornets at the United Center on Monday, Oct. 17, 2016.

Bucks forward Jabari Parker knocks the ball out of Taj Gibson’s hands during the first half Monday, Oct. 3, 2016, at the United Center.

Taj Gibson chases after the ball during the first half of the preseason opener against the Bucks at the United Center on Monday, Oct. 3, 2016.

Taj Gibson takes off his shirt before the first half of the Bulls’ preseason opener against the Milwaukee Bucks at the United Center on Monday, Oct. 3, 2016.

Taj Gibson cheers from the bench during the second half against the Pistons at the United Center on April 2, 2016.

Taj Gibson puts up a shot against the Knicks’ Kristaps Porzingis at the United Center on March 23, 2016.

Taj Gibson and Benny the Bull pose with patients at Advocate Children’s Hospital in Oak Lawn.

Taj Gibson argues with an official during the second half against the Magic in Orlando on March 26, 2016. The Magic won 111-89.

Taj Gibson hangs on the rim after a dunk and a steal against the Kings on March 21, 2016.

Taj Gibson reacts to the referees during the second half against the Kings at the United Center on March 21, 2016.

Taj Gibson dunks, making up for an earlier missed dunk, as the Bulls play the Nets at the United Center on March 17, 2016.

Taj Gibson glances at the scoreboard in the fourth quarter as the Bulls offense stalls against the Heat in a 118-96 loss on March 11, 2016.

Taj Gibson loses the ball in front of the Bucks’ Jabari Parker during the first half on March 7, 2016, at the United Center.

Taj Gibson reacts after being called on a foul during a March 7, 2016, game at the United Center.

Taj Gibson guards Utah’s Derrick Favors during the first half on March 19, 2016.

Taj Gibson during a March 5, 2016, game at the United Center.

Taj Gibson tries to get in the way of a shot by the Rockets’ during the final seconds of their game at the United Center on March 5, 2016.

Taj Gibson saves a ball from going out of bounds in front of the Trail Blazers’ Noah Vonleh during a game at the United Center on Feb. 27, 2016.

Taj Gibson extends to grab a rebound against the Lakers at the United Center on Feb. 21, 2016.

Taj Gibson tries to get off a shot under pressure from Brandon Bass of the Lakers at the United Center on Feb. 21, 2016.

Taj Gibson is looked after by Bulls head athletic trainer Jeff Tanaka during the second half of their loss to the Hawks on Feb. 10, 2016.

Taj Gibson dunks during the first half against the Lakers on Jan. 28, 2016.

Taj Gibson hangs on the rim after his dunk against the Heat during the first half.

Taj Gibson reacts after a basket during the second half against the Heat.

Taj Gibson and Heat forward Luol Deng hug at the end of the game.

Taj Gibson tries to hold onto the ball against the Cavaliers’ Kyrie Irving in the first half.

Taj Gibson shoots over the Cavaliers’ Tristan Thompson.

The Celtics’ Kelly Olynyk drives against Taj Gibson during the second quarter at TD Garden.

Taj Gibson reacts during the second half of their game against the Warriors.

Taj Gibson rebounds the ball against the Mavericks’ Zaza Pachulia during the first half.

Taj Gibson shoots over the 76ers’ Nerlens Noel during the first half. The Bulls won 115-111 in overtime.

Taj Gibson goes up for a shot against the Hawks’ Tiago Splitter in the first half.

Pau Gasol with Taj Gibson after a basket by Gibson against the Bucks.

Taj Gibson dunks over the Bucks’ Giannis Antetokounmpo during the second half.

Taj Gibson cheers from the bench in the second half against the Knicks at the United Center.

Taj Gibson sticks his tongue out at the Pacers players after the Bulls won 102-100 in overtime.

Taj Gibson controls the ball against the Pacers’ Lavoy Allen during the first half.

Taj Gibson steals a pass intended for the Pacers’ George Hill during overtime at the United Center.

Taj Gibson hangs from the basket as he reacts after dunking the basketball in front of the Raptors’ Kyle Lowry in the second half.

Taj Gibson reacts to a foul called on him at the end of the first half against the Nets.

Taj Gibson grabs a rebound, during the first half against the Suns.

Taj Gibson tries to break away from the Suns’ Mirza Teletovic during the first half.

Taj Gibson guards the Hornets’ Frank Kaminsky III during the second half.

Taj Gibson dunks the ball over the Thunder’s Nick Collison during the second half.

Taj Gibson dunks over the Hornets’ Cody Zeller during the second half.

Taj Gibson defends the basket against the Magic’s Shabazz Napier during the second half.

Taj Gibson takes a shot against the Pistons during the second half.

Taj Gibson laughs on the bench during the first half against the Pistons at the United Center.

Taj Gibson dunks against the Pistons during the second half. The Pistons defeated the Bulls 98-94 in overtime.

Taj Gibson blocks a shot by the Cavaliers’ Tristan Thompson in the second half of the season opener.

Taj Gibson reacts after scoring against the Mavericks during the second half of a preseason game in Lincoln, Neb.

The Mavericks’ Zaza Pachulia, Samuel Dalembert and Taj Gibson compete for the ball during the second half of a preseason game in Lincoln, Neb.

Taj Gibson sits on the bench in the second half of a preseason game against the Bucks at the United Center.

Taj Gibson poses for a portrait at Bulls media day.

Taj Gibson walks in the background of a portrait session for Jimmy Butler and Derrick Rose at Bulls media day.

Pau Gasol, Taj Gibson and Joakim Noah joke during Bulls media day.

Taj Gibson arrives to attend the Bulls’ season ending team meeting at the Advocate Center.

Taj Gibson fouls the Cavaliers’ Tristan Thompson during Game 6 of the second round of the playoffs.

Referee Derrick Stafford tries to separate Taj Gibson from the Cavaliers’ Matthew Dellavedova during a playoff game.

Taj Gibson heads for the locker room after being ejected from a playoff game against the Cavaliers.

Taj Gibson and the Cavaliers’ Tristan Thompson battle for a rebound during their playoff game.

Pau Gasol talks with Taj Gibson during a playoff game against the Cavaliers.

Taj Gibson reacts to a call during a playoff game against the Cavaliers.

Taj Gibson waits for the Bucks to take the floor after a timeout.

Taj Gibson dunks over the Cavaliers’ Matthew Dellavedova during Game 3 of the playoffs.

Taj Gibson loses the ball during the second half against the Cavaliers in Game 3.

Taj Gibson shows his anger in the first half at the United Center.

Taj Gibson reacts after a dunk at the United Center.

Taj Gibson warms up before a game against the Timberwolves at the United Center.

Percy Simms gets lifted up by Benny the Bull and Taj Gibson during their visit to Advocate Children’s Hospital in Oak Forest.

Taj Gibson reacts after foul was called on him in the second half at the United Center.

Taj Gibson passes the ball against the Wizards at the United Center.

Taj Gibson reacts after being called for an offensive foul against the Rockets.

Taj Gibson laughs during Bulls media day at the Advocate Center.

Taj Gibson winces in pain after suffering an injury in the second half of a playoff game.

Taj Gibson reacts during a playoff game against the Wizards.