Texas Tech head coach Kliff Kingsbury watches from the sideline during the first half of an NCAA college football game against Iowa State, Saturday, Nov. 19, 2016, in Ames, Iowa.

In this Oct. 27, 2018 photo, Texas Tech head coach Kliff Kingsbury stands on the field before an NCAA college football game against Iowa State in Ames, Iowa.

Texas Tech quarterback Patrick Mahomes II, center, and Tech head coach Kliff Kingsbury, right, walk off the playing field after defeating Baylor in an NCAA college football game Friday, Nov. 25, 2016, in Arlington, Texas.

Texas Tech head coach Kliff Kingsbury before an NCAA college football game against Kansas in Lawrence, Kan., Saturday, Oct. 7, 2017.

Texas Tech coach Kliff Kingsbury, left, talks with Texas coach Mack Brown, right, before an NCAA college football game on Thursday, Nov. 28, 2013, in Austin, Texas.

Texas Tech head coach Kliff Kingsbury, left, congratulates quarterback Baker Mayfield (6) after he scored a touchdown during the second half of an NCAA college football game against Southern Methodist Friday, Aug. 30, 2013, in Dallas. Texas Tech won 41-23.

Texas Tech football coach Kliff Kingsbury answers questions from the media during the Big 12 Conference Football Media Days Monday, July 22, 2013 in Dallas.

In this Dec. 8, 2012, file photo, Texas A&M offensive coordinator Kliff Kingsbury, left, watches as quarterback Johnny Manziel speaks after becoming the first freshman to win NCAA college football's Heisman Trophy in New York.

In this Nov. 25, 2016, file photo, Texas Tech head coach Kliff Kingsbury, left, calls a timeout during the second half of an NCAA college football game against Baylor, in Arlington, Texas

Texas Tech football head coach Kliff Kingsbury speaks during NCAA college football Big 12 media days in Frisco, Texas, Monday, July 16, 2018.

Texas Tech head coach Kliff Kingsbury gives instructions to quarterback Nic Shimonek (16) during the first half of an NCAA college football game against West Virginia, Saturday, Oct. 14, 2017, in Morgantown, W.Va.

In this Nov. 18, 2017 photo, Texas Tech coach Kliff Kingsbury looks down at his notes during the second half of the NCAA college football game TCU, in Lubbock, Texas.

In this Saturday, Nov. 3, 2018 file photo, Texas Tech coach Kliff Kingsbury talks to quarterback Jett Duffey (7) during a timeout in the second half of an NCAA college football game against Oklahoma in Lubbock, Texas.

In this Oct. 25, 2014 photo, Texas Tech head coach Kliff Kingsbury, left, celebrates with quarterback Davis Webb (7) after a touchdown against TCU in the first half of an NCAA college football game in Fort Worth, Texas.

Buffalo Bills quarterback J. P. Losman (7) drops back to pass in front of quarterbacks Craig Nall (16) and Kliff Kingsbury (5) during their NFL football minicamp at Ralph Wilson Stadium in Orchard Park, N..Y., Tuesday, June 13, 2006.

Oklahoma State head coach Mike Gundy, left, talks with Texas Tech head coach Kliff Kingsbury, right, before the start of an NCAA college football game in Lubbock, Texas, Saturday, Oct. 31, 2015.

Texas Tech head coach Kliff Kingsbury walks off the field after the college football game against Southern Methodist Friday, Aug. 30, 2013, in Dallas. Texas Tech won 41-23.

Arizona State head coach Todd Graham, right, talks with Texas Tech head coach Kliff Kingsbury, left, prior to an NCAA college football game Saturday, Sept. 10, 2016, in Tempe, Ariz.

Texas Tech football coach Kliff Kingsbury addresses the media during the Big 12 Conference Football Media Days Monday, July 22, 2013 in Dallas.

Texas Tech head coach Kliff Kingsbury tosses a ball before an NCAA college football game against Southern Methodist Friday, Aug. 30, 2013, in Dallas. Texas Tech won 41-23.

Texas Tech head coach Kliff Kingsbury, center, smiles and claps as he gets his team ready for a spring NCAA college football practice in Lubbock, Texas, Sunday, March 24, 2013.

Texas Tech coach Kliff Kingsbury gives instructions to his players on the field during the second half of an NCAA college football game against Arizona State on Saturday, Sept. 10, 2016, in Tempe, Ariz.

LSU coach Les Miles, right, talks with Texas Tech coach Kliff Kingbury's during a Texas Bowl football news conference Tuesday, Dec. 8, 2015, in Houston.

Texas Tech head football coach Kliff Kingsbury visits on the sidelines before the start of a spring practice in Lubbock, Texas, Sunday, March 24, 2013.