2018 Dallas Cowboys Coaching Staff

Cincinnati Bengals offensive line coach Paul Alexander during the Bengals rookie mimicamp at Paul Brown Stadium, Friday, May 1, 2009 in Cincinnati. (AP Photo/David Kohl)

Paul Alexander, assistant head coach, center, directs his players using a tablet in the second half of a NFL preseason football game against the Chicago Bears, Saturday, Aug. 29, 2015, in Cincinnati. (AP Photo/Michael Conroy)

Cincinnati Bengals guard Kevin Zeitler (68), right, talks with coach Paul Alexander during practice at the NFL football team's rookie camp, Friday, May 11, 2012, at Paul Brown Stadium in Cincinnati. (AP Photo/Tony Tribble)

Paul Alexander, assistant head coach, center, directs his players using a tablet in the second half of a NFL preseason football game against the Chicago Bears, Saturday, Aug. 29, 2015, in Cincinnati. (AP Photo/Michael Conroy)

Cincinnati Bengals assistant head coach Paul Alexander works with offensive tackle Andrew Whitworth (77) during the NFL football team's practice at training camp, Saturday, July 28, 2012, in Cincinnati. (AP Photo/Al Behrman)

Cincinnati Bengals offensive line coach Paul Alexander talks with tackle Anthony Collins and tackle Andrew Whitworth (77) in the first half of an NFL football game against the Baltimore Ravens, Sunday, Dec. 29, 2013, in Cincinnati. (AP Photo/David Kohl)

Cincinnati Bengals assistant head coach Paul Alexander works with tackle Marshall Newhouse, center, and guard Kevin Zeitler, right, during an NFL football organized team activity, Tuesday, June 3, 2014, in Cincinnati. (AP Photo/Al Behrman)

Tennessee Titans during football training camp Friday, July 25, 2008, in Nashville, Tenn. (AP Photo/Mark Humphrey)

St. Louis Rams long snapper Ryan Neill, right, and Tennessee Titans long snapper Ken Amato, left, warm up before the start of an NFL football game between the St. Louis Rams and the Tennessee Titans on Sunday, Dec. 13, 2009 in Nashville, Tenn. (AP Photo/John Russell)

Tennessee Titans linebacker Ken Amato watches from the sidelines during an NFL preseason football game against the New Orleans Saints at LP Field Thursday, Sept. 2, 2010 in Nashville, Tenn. (AP Photo/Wade Payne)

Tennessee Titans kicker Rob Bironas (2), punter Brett Kern (6) and long snapper Ken Amato (58) pound fist before taking the field for an NFL game against the San Diego Chargers on October 31, 2010. The Chargers defeated the Titans 33-25. (AP Photo/Kevin Terrell)

22 October 2017: Brett Bech
of the Dallas Cowboys during their week 7 regular season 40-10 win over the San Francisco 49ers at Levi's Stadium in Santa Clara, California. Photo by James D. Smith/Dallas Cowboys

29 October 2017: Brett Bech
of the Dallas Cowboys during their week 8 regular season 33-19 win over the Washington Redskins at FedEx Field in Landover, Maryland. Photo by James D. Smith/Dallas Cowboys

31 December 2017: Brett Bech
of the Dallas Cowboys during their NFL week 17 regular season 6-0 win over the Philadelphia Eagles at Lincoln Financial Field in Philadelphia, Pennsylvania. Photo by James D. Smith/Dallas Cowboys

01 August 2017: Ben Bloom
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

10 August 2017: Ben Bloom
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

21 October 2017: Ben Bloom of the Dallas Cowboys during their walk through practice at San Jose City College Jaguar Stadium before their week 7 regular season game against the San Francisco 49ers at Levi's Stadium in Santa Clara, California. Photo by James D. Smith/Dallas Cowboys

Aug 19, 2014; Englewood, CO, USA; Houston Texans assistant special teams coach Doug Colman points during a scrimmage against the Denver Broncos at the Broncos Headquarters. Mandatory Credit: Kirby Lee-USA TODAY Sports

21 October 2017: Marc Colombo of the Dallas Cowboys during their walk through practice at San Jose City College Jaguar Stadium before their week 7 regular season game against the San Francisco 49ers at Levi's Stadium in Santa Clara, California. Photo by James D. Smith/Dallas Cowboys

16 December 2017: Marc Colombo of the Dallas Cowboys during their walk through practice before they play the Oakland Raiders at Oakland Coliseum in Oakland, Calif. Photo by James D. Smith/Dallas Cowboys

12 November 2017: Marc Colombo
of the Dallas Cowboys during their NFL week 10 regular season 27-7 loss to the Atlanta Falcons at Mercedes-Benz Stadium in Atlanta, Georgia. Photo by James D. Smith/Dallas Cowboys

01 August 2017: Gary Brown
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

31 December 2017:
of the Dallas Cowboys during their NFL week 17 regular season 6-0 win over the Philadelphia Eagles at Lincoln Financial Field in Philadelphia, Pennsylvania. Photo by James D. Smith/Dallas Cowboys

16 December 2017: Gary Brown of the Dallas Cowboys during their walk through practice before they play the Oakland Raiders at Oakland Coliseum in Oakland, Calif. Photo by James D. Smith/Dallas Cowboys

01 August 2017: Greg Jackson
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

21 October 2017: Greg Jackson
of the Dallas Cowboys during their walk through practice at San Jose City College Jaguar Stadium before their week 7 regular season game against the San Francisco 49ers at Levi's Stadium in Santa Clara, California. Photo by James D. Smith/Dallas Cowboys

16 December 2017: Greg Jackson of the Dallas Cowboys during their walk through practice before they play the Oakland Raiders at Oakland Coliseum in Oakland, Calif. Photo by James D. Smith/Dallas Cowboys

New York Giants wide receiver Odell Beckham, right, talks with New York Jets wide receivers coach Sanjay Lal before an preseason NFL football game, Friday, Aug. 22, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Jets wide receivers coach Sanjay Lal, center, talks to receivers Mike Soms-Walker (5), Jeremy Kerley (11, Stephen Hill (84) and Joseph Collins during NFL football minicamp Tuesday, June 11, 2013, in Florham Park, N.J. (AP Photo/Bill Kostroun)

From left, Oakland Raiders wide receivers Todd Watkins, Darrius Heyward-Bey, Louis Murphy, wide receivers coach Lal Sanjay, and Chaz Schilens prepare to run a drill during NFL football training camp in Napa, Calif., Friday, July 30, 2010. (AP Photo/Eric Risberg)

Injured Indianapolis Colts quarterback Andrew Luck talks with wide receivers coach Sanjay Lal, left, in the first half of an NFL football game against the Tennessee Titans Monday, Oct. 16, 2017, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Injured Indianapolis Colts quarterback Andrew Luck talks with wide receivers coach Sanjay Lal, left, in the first half of an NFL football game against the Tennessee Titans Monday, Oct. 16, 2017, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Cowboys Training Camp

16 December 2017: Scott Linehan of the Dallas Cowboys during their walk through practice before they play the Oakland Raiders at Oakland Coliseum in Oakland, Calif. Photo by James D. Smith/Dallas Cowboys

01 August 2017: Kellen Moore (17)
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

03 August 2017: Kellen Moore (17)
of the Dallas Cowboys during their 20-18 preseason win over the Arizona Cardinals at the Tom Benson Hall of Fame Stadium in Canton, Ohio in the Hall of Fame game. Photo by James D. Smith/Dallas Cowboys

03 August 2017: Kellen Moore (17)
of the Dallas Cowboys during their 20-18 preseason win over the Arizona Cardinals at the Tom Benson Hall of Fame Stadium in Canton, Ohio in the Hall of Fame game. Photo by James D. Smith/Dallas Cowboys

09 August 2017: Kellen Moore (17)
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by Sam Smith/Dallas Cowboys

10 August 2017: Kellen Moore (17)
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by Sam Smith/Dallas Cowboys

Michigan offensive coordinator Doug Nussmeier watches his players run through drills at his whistle, during the football team's annual spring game, Saturday, April 5, 2014, in Ann Arbor, Mich. (AP Photo/Tony Ding)

Michigan offensive coordinator Doug Nussmeier shouts instructions during the football team's annual spring game, Saturday, April 5, 2014, in Ann Arbor, Mich. (AP Photo/Tony Ding)

Doug Nussmeier gestures as he addresses the media as Michigan's offensive coordinator and quarterbacks coach during a news conference at the Junge Center in Ann Arbor, Mich., Friday, Jan. 10, 2014. Nussmeier is the former Alabama offensive coordinator. (AP Photo/Carlos Osorio)

Michigan offensive coordinator Doug Nussmeier is seen before the first half of an NCAA college football game against Utah in Ann Arbor, Mich., Saturday, Sept. 20, 2014. (AP Photo/Carlos Osorio)

Doug Nussmeier, Florida's NCAA college football offensive coordinator/quarterbacks coach, talks to the media at the teams media day in Gainesville, Fla., Wednesday, Aug. 5, 2015. (AP Photo/Phil Sandlin)

Florida defensive lineman Alex McCalister (14) celebrates with offensive coordinator Doug Nussmeier after defeating Vanderbilt 9-7 in an NCAA college football game, Saturday, Nov. 7, 2015, in Gainesville, Fla. (AP Photo/John Raoux)

Alabama offensive coordinator Doug Nussmeier instructs players during a practice at their NCAA college football fan day on Sunday, Aug. 5, 2012. (AP Photo/Butch Dill)

30 November 2017: Keith O'Quinn
of the Dallas Cowboys during their NFL week 13 regular season 38-14 win over the Washington Redskins at AT&T Stadium in Arlington, Texas. Photo by James D. Smith/Dallas Cowboys

26 July 2017: Keith O'Quinn
of the Dallas Cowboys at training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

10 August 2017: Keith O'Quinn
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

Markus Paul, the assistant strength and conditioning coach for the New York Giants, leads the squad during warmups prior to an NFL football game Sunday, Dec. 31, 2017, in East Rutherford, N.J. (AP Photo/Mark Lennihan)

Seattle Seahawks secondary coach Kris Richard is seen on the sidelines before kickoff of Super Bowl XLIX against the New England Patriots at University of Phoenix Stadium on Sunday, February 1, 2015, in Glendale, Ariz. (AP Photos/Ben Liebenberg)

Seattle Seahawks rookie wide receiver Paul Richardson (10) is greeted by Seahawks secondary coach Kris Richard, right, Friday, May 16, 2014, at the start of an NFL football mini camp in Renton, Wash. (AP Photo/Ted S. Warren)

Seattle Seahawks secondary coach Kris Richard in action during an NFL football minicamp Wednesday, June 12, 2013, in Renton, Wash. (AP Photo/Elaine Thompson)

Seattle Seahawks' Antoine Winfield (21) is congratulated by secondary coach Kris Richard after a turn at scrimmage during an NFL football minicamp on Wednesday, June 12, 2013, in Renton, Wash (AP Photo/Elaine Thompson)

Seattle Seahawks defensive coordinator Kris Richard walks on the field before an NFL football game against the Philadelphia Eagles, Sunday, Dec. 3, 2017, in Seattle. (AP Photo/Ted S. Warren)

Seattle Seahawks defensive coordinator Kris Richard, left, talks with rookie running back Chris Carson, center, during NFL football training camp, Monday, Aug. 7, 2017, in Renton, Wash. (AP Photo/Ted S. Warren)

Seattle Seahawks defensive coordinator Kris Richard passes a football during warmups before an NFL football game against the Washington Redskins, Sunday, Nov. 5, 2017, in Seattle. (AP Photo/Elaine Thompson)

26 July 2017: Stephen Brown
of the Dallas Cowboys at training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

10 August 2017: Stephen Brown
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by Sam Smith/Dallas Cowboys

10 August 2017: Stephen Brown
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

10 August 2017: Kendall Smith
of the Dallas Cowboys during training camp at City of Oxnard Fields in Oxnard, California. Photo by James D. Smith/Dallas Cowboys

25 September 2017: Kendall Smith
of the Dallas Cowboys during their week 3 regular season 28-17 win over the Arizona Cardinals at University of Phoenix Stadium in Glendale, Arizona. Photo by James D. Smith/Dallas Cowboys

05 November 2017: Kendall Smith
of the Dallas Cowboys during their NFL week 9 regular season game 28-17 win over the Kansas City Chiefs at AT&T Stadium in Arlington, Texas. Photo by James D. Smith/Dallas Cowboys

23 November 2017: Kyle Valero
of the Dallas Cowboys during their NFL week 12 regular season 28-6 loss to the Los Angeles Chargers at AT&T Stadium in Arlington, Texas. Photo by James D. Smith/Dallas Cowboys

08 October 2017: Kyle Valero
of the Dallas Cowboys during their NFL week 5 regular season 35-31 loss to the Green Bay Packers at AT&T Stadium in Arlington, Texas. Photo by James D. Smith/Dallas Cowboys

19 August 2017: Mike Woicik of the Dallas Cowboys during their preseason 24-19 win over the Indianapolis Colts at AT&T Stadium in Arlington, Texas. Photo by James D. Smith/Dallas Cowboys

17 September 2017: Mike Woicik of the Dallas Cowboys during their week 2 regular season 42-17 loss to the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. Photo by James D. Smith/Dallas Cowboys