Bobby Portis

Bulls forward Bobby Portis (5) before a game at the United Center on Sunday, Jan. 27, 2019.

Bulls forward Bobby Portis reacts after a dunk in the fourth quarter against the Clippers at the United Center on Friday, Jan. 25, 2019.

Bobby Portis limps off the court after suffering an injury in the second half against the Nets at the United Center on Dec. 19, 2018.

Bulls forward Bobby Portis passes the ball while coach Jim Boylen watches from the bench during the first half against the Kings on Dec. 10, 2018, at the United Center.

Bulls forward Bobby Portis guards Kings guard De’Aaron Fox during the second half Dec. 10, 2018, at the United Center.

Bulls forward Bobby Portis (5) dunks over Hornets forward Michael Kidd-Gilchrist (14) during the second half of their game at the United Center on Wednesday, Oct. 24, 2018.

Bulls forward Bobby Portis looks on during the first half of a game against the Hornets at the United Center on Wednesday, Oct. 24, 2018.

Bulls forward Bobby Portis wipes his face while sitting on the bench in the first half of the Bulls home opener against against the Pistons at the United Center on Saturday, Oct. 20, 2018.

Bulls forward Bobby Portis (5) dunks the ball in the first half of a preseason game against the Pacers at the United Center on Wednesday, Oct. 10, 2018.

The Bulls’ Bobby Portis (5) reacts to a foul against the Hornets in the second half of a preseason game in Charlotte, N.C., Monday, Oct. 8, 2018.

The Bulls’ Bobby Portis (5) drives against the Hornets’ Willy Hernangomez (41) in the first half of a preseason game in Charlotte, N.C., Monday, Oct. 8, 2018.

The Bulls’ Bobby Portis warms up before a preseason game against the Bucks on Wednesday, Oct. 3, 2018, in Milwaukee.

Pelicans guard Ian Clark (2) guards Bulls forward Bobby Portis (5) during the first half of a preseason game at the United Center on Sunday, Sept. 30, 2018.

Bulls forward Bobby Portis (5) celebrates after dunking the ball during the second half of a preseason game against the Pelicans at the United Center on Sunday, Sept. 30, 2018.

Bulls forwards Bobby Portis, Jabari Parker and Lauri Markkanen pose during media day Monday, Sept. 24, 2018 at the Advocate Center.

Bulls forward Bobby Portis poses during media day Monday, Sept. 24, 2018 at the Advocate Center.

Bulls forward Bobby Portis throws out the first pitch before the Cubs play the Brewers, Friday, April 27, 2018, at Wrigley Field.

Bulls forward Bobby Portis high-fives fans after a season-ending loss to the Pistons at the United Center on Wednesday, April 11, 2018.

Bulls forward Bobby Portis (5) hangs on the rim after a dunk against the Pistons during the first half at the United Center, Wednesday, April 11, 2018.

Nets guard Nik Stauskas (2) and Nets forward Quincy Acy (13) defend Bulls forward Bobby Portis (5) who tries to drive to the basket during the first half, Monday, April 9, 2018, in New York.

Nets forward Dante Cunningham (44) and Bulls forward Bobby Portis (5) tangle during the second half of their game at the United Center on Saturday, April 7, 2018.

Bulls forward Bobby Portis reacts after he made a 3-pointer against the Bucks during the first half of a game Friday, March 23, 2018, at the United Center.

Bulls forward Bobby Portis (5) points into the arena after being fouled during the first half against the Nuggets at the United Center on Wednesday, March 21, 2018.

The Nuggets’ Trey Lyles, left, knocks the ball away from the Bulls’ Bobby Portis during the first half of a game Wednesday, March 21, 2018,at the United Center.

Bulls forward Bobby Portis (5) reacts to a call by the referee during the fourth quarter of a game against the Knicks, Monday, March 19, 2018, in New York.

Bulls forward Bobby Portis (5) drives against the Grizzlies’ Chandler Parsons in the first half Thursday, March 15, 2018, in Memphis, Tenn.

Bulls forward Bobby Portis reacts after the team’s 129-122 win over the Hawks at Philips Arena in Atlanta on March 11, 2018.

Bulls forward Bobby Portis (5) reacts after a call against the Celtics at the United Center on Monday, March 5, 2018.

Bulls’ Bobby Portis gets the crowd pumped up after making a clutch shot late in the second half against the Dallas Mavericks, Friday, March 2, 2018, in Chicago.

Bulls’ Bobby Portis celebrates his three-point shot during the first half against the Philadelphia 76ers Thursday, Feb. 22, 2018, in Chicago.

Bulls forward Bobby Portis (5) reacts after making a 3-pointer in the second half of a game against the Philadelphia 76ers at the United Center in Chicago on Thursday, February 22, 2018.

Bulls forward Bobby Portis (5) reacts after a foul was called in the second half of a game against the Washington Wizards at the United Center in Chicago on Saturday, February 10, 2018.

Bulls forward Bobby Portis looks to pass the ball as Timberwolves forward Taj Gibson defends in the first quarter at the United Center on Friday, Feb. 9, 2018.

Chicago Bulls forward Bobby Portis, left, and guard David Nwaba right, celebrate as Minnesota Timberwolves forwards Taj Gibson (67) and Andrew Wiggins (22) walk away at the end of an NBA basketball game Friday, Feb. 9, 2018, in Chicago. The Bulls won 114-113. (AP Photo/Matt Marton)  (Matt Marton / AP)

Bulls forward Bobby Portis during the first quarter against the Sacramento Kings on Monday, Feb. 5, 2018, in Sacramento, Calif.

Bobby Portis goes to the basket against the Kings’ Zach Randolph during the first quarter on Feb. 5, 2018.

Clippers forward Danilo Gallinari, left, and Bulls forward Bobby Portis reach for a rebound during the second half Saturday, Feb. 3, 2018, in Los Angeles.

Bulls forward Bobby Portis (5) in the first half Sunday, Jan. 28, 2018 at the United Center.

Bucks guard Sterling Brown (23) takes the ball from Bulls forward Bobby Portis (5) on a fast break in the first half Sunday, Jan. 28, 2018 at the United Center.

Bulls forward Bobby Portis (5) watches from the bench in the second half against the Lakers at the United Center on Friday, Jan. 26, 2018.

Bulls forward Bobby Portis (5) tries to score against Hawks forward John Collins (20) during the second half on Jan. 20, 2018.

Bulls forward Bobby Portis (5) reacts after losing control of the ball during the second half against the Warriors at the United Center on Wednesday, Jan. 17, 2018.

Bulls forward Bobby Portis (5) celebrates a basket in the first half against the Heat at the United Center on Monday, Jan. 15, 2018.

Bulls forward Bobby Portis (5) celebrates after hitting a 3-pointer in the second half against the Pistons at the United Center on Saturday, Jan. 13, 2018.

Bulls forward Bobby Portis (5) dunks the ball in the first half against the Pistons at the United Center on Saturday, Jan. 13, 2018.

Bulls forward Bobby Portis (5) attempts to shoot over the defense of Knicks center Kyle O’Quinn (9) during the second quarter Wednesday, Jan. 10, 2018, at Madison Square Garden in New York.

Bulls forward Bobby Portis (5) reacts to a call that was later reversed during the first half against the Rockets at the United Center on Monday, Jan. 8, 2018.

Mavericks forward Dirk Nowitzki (41) defends Bulls forward Bobby Portis (5) during the first half in Dallas, Friday, Jan. 5, 2018.

Bulls forward Bobby Portis (5) stands on the floor in the second half against the Trail Blazers at the United Center on Monday, Jan. 1, 2018.

Bulls forward Bobby Portis (5) reacts after making a basket as Trail Blazers forward Ed Davis (17) watches during the first half, Monday, Jan. 1, 2018.

Bulls forward Bobby Portis, right, is defended by Pacers center Domantas Sabonis, left, during the first half, Friday, Dec. 29, 2017.

Bulls forward Bobby Portis (5) is fired up after being fouled in the fourth quarter against the 76ers at the United Center on Monday, Dec. 18, 2017.

Bulls forward Bobby Portis shoots during the first half of a game against the Bucks on Friday, Dec. 15, 2017, in Milwaukee.

The Bulls’ Bobby Portis goes after a loose ball with the Bucks’ Giannis Antetokounmpo, right, and Thon Maker during the first half on Friday, Dec. 15, 2017, in Milwaukee.

Bulls forward Bobby Portis (5) walks to the locker room after the Bulls defeated the Celtics,108-85, at the United Center onMonday, Dec. 11, 2017.

Cavaliers forward Channing Frye (8) guards Bulls forward Bobby Portis (5) during the second half at the United Center, Monday Dec. 4, 2017.

Bulls forward Bobby Portis (5) and Nuggets forward Juan Hernangomez (41) battle in the second half Thursday, Nov. 30, 2017, in Denver.

Bulls forward Bobby Portis (5) in the second half of a game Thursday, Nov. 30, 2017, in Denver.

Bulls forward Bobby Portis (5) in the first half of a game against the Nuggets, Thursday, Nov. 30, 2017, in Denver.

Bulls forward Bobby Portis battles Kyle Kuzma of the Lakers for a loose ball during the second half at Staples Center in Los Angeles on Nov. 21, 2017.

Bulls forward Bobby Portis battles for a loose ball with Domantas Sabonis and Cory Joseph of the Pacers at the United Center on Nov. 10, 2017.

Bulls forward Bobby Portis speaks with reporters about his fight with teammate Nikola Mirotic before the start of a game against the Spurs at the United Center on Saturday, Oct. 21, 2017.

Bulls coach Fred Hoiberg talks with Bobby Portis during the second half of a preseason game against the Raptors on Oct. 13, 2017.

Bobby Portis and the Raptors’ OG Anunoby dive for a loose ball during a preseason game at the United Center on Oct. 13, 2017.

Bobby Portis drives to the basket against the Mavericks’ J.J. Barea during a preseason game on Oct. 4, 2017.

Bobby Portis poses for a portrait during media day on Sept. 25, 2017.

The referee keeps a watchful eye on Celtics forward Jae Crowder as he was exchanging words with Bulls forward Bobby Portis during the second half at the United Center on Sunday, April 23, 2017.

Bulls forward Bobby Portis and the Celtics’ Kelly Olynyk watch a shot from Rajon Rondo during the second quarter of a first-round NBA playoff game Sunday, April 16, 2017, in Boston.

Bulls forward Bobby Portis runs down the court during the second half against the Cavaliers at the United Center on Thursday, March 30, 2017.

Bulls forward Bobby Portis guards Cavaliers guard Deron Williams during the first half at the United Center on Thursday, March 30, 2017.

Bulls forward Bobby Portis celebrates after hitting a 3-pointer in the second half against the 76ers at the United Center in Chicago on Friday, March 24, 2017.

Bobby Portis celebrates after a dunk in the second half against the Jazz at the United Center in Chicago on Saturday, March 18, 2017.

Bobby Portis, left, has the ball as Minnesota Timberwolves guard Ricky Rubio reaches during the fourth quarter Sunday, Feb. 12, 2017, in Minneapolis.

Bobby Portis smiles with Denzel Valentine during the first half against the Philadelphia 76ers at the United Center on Sunday, Jan. 29, 2017.

Bobby Portis with Bulls associate head coach Jim Boylen during the first half against the Philadelphia 76ers at the United Center on Sunday, Jan. 29, 2017.

Bobby Portis shoots against the Hawks’ Mike Scott at Philips Arena on Jan. 20, 2017, in Atlanta.

Bobby Portis and the Wizards’ Markieff Morris battle for a rebound during the first half at the Verizon Center on Jan. 10, 2017, in Washington.

Bobby Portis, right, reacts to a referee’s call during the second half of a game against the Raptors at the United Center on Saturday, Jan. 7, 2017.

The Lakers’ Brandon Ingram and Tarik Black guard Bobby Portis during the first half at the United Center on Nov. 30, 2016,

Bobby Portis goes up for a basket over the Magic’s Bismack Biyombo during the first half at the United Center on Nov. 7, 2016.

Bobby Portis in the second half against the Nuggets on Nov. 22, 2016.

Bobby Portis goes up for a basket over Bucks center Greg Monroe during the first half of an exhibition game at the United Center on Monday, Oct. 3, 2016.

Bobby Portis fights for a rebound with the Cavaliers’ Eli Carter during a summer league game in Las Vegas on July 17, 2016.

Bobby Portis gets a rebound against the Wizards during a summer league game on July 16, 2016, in Las Vegas.

Bobby Portis dunks the ball between the 76ers’ Nerlens Noel and Hollis Thompson during the second half on April 13, 2016. The Bulls won the season finale 115-105.

Bobby Portis wears a special Nike shoe dedicated to Kobe Bryant’s last career game during warm-ups before the Bulls’ last game of the season on April 13, 2016.

Bobby Portis gets pumped up in the second half against the Cavaliers at the United Center on April 9 9, 2016.

Bobby Portis gets pumped up during the second half against the Cavaliers at the United Center on April 9, 2016.

The Pistons’ Tobias Harris guards Bobby Portis during the game at the United Center on April 2, 2016.

The Hawks’ Mike Scott and Bobby Portis during the second half at the United Center on March 28, 2016.

Bobby Portis gets pumped during the first half of the game against the Kings at the United Center on March 21, 2016.

Bobby Portis dunks in front of the Kings’ Kosta Koufos during the first half at the United Center on March 21, 2016.

Bobby Portis dunks as the Nets’ Thomas Robinson watches during the game on March 17, 2016. The Bulls won 118-102.

Bobby Portis loses his contact lens and had to leave the game against the Bucks on March 7, 2016.

The Magic’s Jason Smith grabs an offensive rebound on Bobby Portis on March 2, 2016, in Orlando.