White Sox starter Lucas Giolito

White Sox starting pitcher Lucas Giolito on July 7, 2019, at Guaranteed Rate Field.  (Brian Cassella / Chicago Tribune)

White Sox starting pitcher Lucas Giolito delivers to the Cubs in the second inning of a game at Guaranteed Rate Field on July 6, 2019.  (Chris Sweda / Chicago Tribune)

White Sox starting pitcher Lucas Giolito delivers during the first inning of game against the Red Sox at Fenway Park on June 24, 2019.  (Charles Krupa / AP)

White Sox pitcher Lucas Giolito throws in the first inning against the Red Sox at Guaranteed Rate Field on May 2, 2019.  (John J. Kim / Chicago Tribune)

White Sox pitcher Lucas Giolito throws Feb. 14, 2019, during spring training in Glendale, Ariz.  (Brian Cassella/Chicago Tribune)

White Sox pitcher Lucas Giolito throws Feb. 16, 2019, during spring training in Glendale, Ariz.  (Brian Cassella/Chicago Tribune)

White Sox pitcher Lucas Giolito heads to the dugout after throwing in the first inning against the Red Sox on May 2, 2019, at Guaranteed Rate Field.  (John J. Kim/Chicago Tribune)

White Sox pitcher Lucas Giolito wipes away sweat after loading the bases in the first inning against the Red Sox on May 2, 2019, at Guaranteed Rate Field.  (John J. Kim/Chicago Tribune)

White Sox pitcher Lucas Giolito throws during spring training in Glendale, Ariz., on Feb. 14, 2019.  (Brian Cassella / Chicago Tribune)

White Sox pitchers Dylan Covey, Lucas Giolito and Jace Fry during 2019 spring training in Glendale, Ariz.  (Brian Cassella / Chicago Tribune)

White Sox starting pitcher Lucas Giolito before the White Sox home opener against the Mariners at Guaranteed Rate Field on April 5, 2019.  (Armando L. Sanchez / Chicago Tribune)

White Sox starting pitcher Lucas Giolito high fives fans during opening ceremonies for SoxFest 2019 at the Hilton Chicago on Jan. 25, 2019.  (Chris Sweda / Chicago Tribune)

White Sox pitcher Lucas Giolito heads to the dugout after the first inning against the Red Sox at Guaranteed Rate Field on May 2, 2019.  (John J. Kim / Chicago Tribune)

White Sox starting pitcher Lucas Giolito faces the Yankees at Guaranteed Rate Field on Aug. 8, 2018.  (Chris Sweda / Chicago Tribune)

White Sox starter Lucas Giolito pitches against the Indians during the first inning at Progressive Field in Cleveland on May 29, 2018.  (Ron Schwane / Getty Images)

White Sox starter Lucas Giolito pitches during the first inning against the Orioles at Guaranteed Rate Field on Thursday May 24, 2018.  (Armando L. Sanchez / Chicago Tribune)

White Sox starter Lucas Giolito wipes his face during the third inning against the Rangers at Guaranteed Rate Field on Saturday, May 19, 2018.  (Nam Y. Huh / AP)

White Sox starter Lucas Giolito pitches against the Rangers during the first inning at Guaranteed Rate Field on Saturday, May 19, 2018.  (Nam Y. Huh / AP)

White Sox starter Lucas Giolito, center, talks with teammates during the first inning against the Cubs at Wrigley Field on Sunday, May 13, 2018.  (Matt Marton / AP)

NBC News anchor Lester Holt shakes hands with White Sox starter Lucas Giolito (27) after throwing a ceremonial first pitch before a game between the White Sox and Pirates at Guaranteed Rate Field on Wednesday, May 9, 2018.  (John J. Kim / Chicago Tribune)

White Sox starter Lucas Giolito (27) pitches during the first inning against the Pirates at Guaranteed Rate Field on Tuesday, May 8, 2018.  (Armando L. Sanchez / Chicago Tribune)

White Sox starter Lucas Giolito walks off the field after working the top half of the sixth inning against the Cardinals Wednesday, May 2, 2018, in St. Louis.  (Jeff Roberson / AP)

White Sox starter Lucas Giolito throws during the first inning of a game against the Cardinals Wednesday, May 2, 2018, in St. Louis.  (Jeff Roberson / AP)

White Sox starter Lucas Giolito (27) delivers to the Astros in the second inning of a game at Guaranteed Rate Field on Saturday, April 21, 2018.  (Chris Sweda / Chicago Tribune)

White Sox starter Lucas Giolito pitches against the Twins during the first inning Thursday, April 12, 2018, in Minneapolis.  (Jim Mone / AP)

Lucas Giolito throws to first base in the third inning against the Tigers at Guaranteed Rate Field Saturday, April 7, 2018, in Chicago.  (John J. Kim / Chicago Tribune)

Lucas Giolito throws the ball during White Sox spring training.  (Armando L. Sanchez / Chicago Tribune)

Lucas Giolito catches the ball during White Sox spring training at Camelback Ranch.  (Armando L. Sanchez / Chicago Tribune)

Lucas Giolito makes his White Sox debut against the Twins at Guaranteed Rate Field on Aug. 22, 2017.  (Stacey Wescott / Chicago Tribune)

Lucas Giolito before a start against the Twins at Guaranteed Rate Field on Aug. 22, 2017.  (Stacey Wescott / Chicago Tribune)

Lucas Giolito pitches during the second inning of an exhibition game against the Cubs at spring training on Feb. 27, 2017 in Mesa, Ariz.  (Armando L. Sanchez / Chicago Tribune)

Lucas Giolito poses for a portrait during White Sox media day at spring training on Feb. 23, 2017 in Glendale, Ariz.  (Armando L. Sanchez / Chicago Tribune)

White Sox pitcher Lucas Giolito signs autographs during spring training at Camelback Ranch on Feb. 15, 2017, in Glendale, Ariz.  (John J. Kim / Chicago Tribune)

Lucas Giolito takes a photo with patient Diego Velasquez at Ann and Robert H. Lurie Children’s Hospital in Chicago on Jan. 26, 2017. White Sox players met with patients and signed autographs.  (Antonio Perez / Chicago Tribune)

Southpaw interacts with Lucas Giolito, Todd Frazier and Carlos Rodon during SoxFest at the Hilton Towers on Jan. 28, 2017.  (Abel Uribe / Chicago Tribune)

Lucas Giolito tosses gifts to fans at SoxFest at the Hilton on Jan. 27, 2017.  (Terrence Antonio James / Chicago Tribune)