Question: Which former American football nose tackle who played college football at Oklahoma will announce the 2017 ESPN College Football Friday Primetime games?

full_context: Document 1: Dallas Clark: Dallas Dean Clark (born June 12, 1979) is a former American football tight end who played 11 seasons in the National Football League (NFL). He played college football for the University of Iowa, earned unanimous All-American honors, and was recognized as the top college tight end in the nation. He was drafted by the Indianapolis Colts in the first round of the 2003 NFL Draft and he was a member of their Super Bowl XLI championship team against Rex Grossman and the Chicago Bears. He also played for the NFL's Tampa Bay Buccaneers and the Baltimore Ravens.
Document 2: ESPN College Football Friday Primetime: ESPN College Football Friday Primetime is a live game presentation of Division 1-A college football on ESPN or sometimes ESPN2. There is no main sponsor. The game telecast airs every Friday night at 7:45pm ET during the college football regular season. In 2017, the games will be announced by Adam Amin and Dusty Dvoracek. The game is preceded by a 5-10 minute long segment of "College Football Scoreboard" with Adnan Virk, Danny Kanell and Joey Galloway. They both also present the halftime report.
Document 3: Dick Butkus: Richard Marvin Butkus (born December 9, 1942) is a former American football player, sports commentator, and actor. He played professional football as a linebacker for the Chicago Bears of the National Football League (NFL) from 1965 to 1972. Through nine NFL seasons, he was invited to eight Pro Bowls, named a first-team All-Pro six times, and was twice recognized by his peers as the NFL's Defensive Player of the Year. Renowned as a fierce, violent tackler and for the relentless effort with which he played, Butkus is widely regarded as one of the greatest and most intimidating linebackers in pro football history.
Document 4: College Football Scoreboard: College Football Scoreboard is a program on ESPN and ESPN2 that provides up to the minute scores and highlights during the college football season. The official name is "College Football Scoreboard presented by Acura". The name of the show was College "Gameday" Scoreboard up until 2006. It airs four times a day at 3 p.m. ET and 7 p.m. ET on ESPN and at 3 p.m. ET and at 7 p.m. ET on ESPN2. The 3 p.m. ET programs on both networks are thirty minutes long and the 7 p.m. ET programs on both networks lead up to "College Football Primetime". However, it is subject to, and often pre-empted due to earlier games running long into the show's timeslot, and often games run into each other without any kind of "Scoreboard" interlude.
Document 5: Dak Prescott: Rayne Dakota "Dak" Prescott (born July 29, 1993) is an American football quarterback for the Dallas Cowboys of the National Football League (NFL). He played college football for the Mississippi State Bulldogs and was selected by the Cowboys in the fourth round of the 2016 NFL Draft.
Document 6: SEC Network Football: SEC Network Football is a live game presentation of SEC football on the SEC Network. These telecasts have many different presenting sponsors, but some include Dr. Pepper, Allstate, and Regions Bank. There are typically 3 telecasts every Saturday during the college football regular season, though beginning in 2015, the SEC Network Alternate channel gets one game, usually during the 4:00 PM time slot. The Noon game is preceded by "SEC Nation" and succeeded by "SEC Now" which will also serve as a pregame and postgame show for the 4:00 game. The 7:30 game will be succeeded by "SEC Scoreboard".
Document 7: ESPN College Football Saturday Primetime: ESPN College Football Primetime is a live game presentation of Division 1-A college football on ESPN. In the past, the presenting sponsors have been Polaroid, AT&T and Hampton Hotels. The current presenting sponsor is Hampton's parent company, Hilton. The game telecast airs every Saturday night at 7:45pm ET during the college football regular season. The game is preceded by a 45-minute-long "College Football Scoreboard" with Rece Davis, Lou Holtz and Mark May, all of whom also appear on the halftime report. This game telecast is also presented in high-definition on ESPN HD.
Document 8: Dusty Dvoracek: Dusty Dvoracek (born March 1, 1983) is a former American football nose tackle. Drafted by the Chicago Bears of the National Football League in the third round of the 2006 NFL Draft, he played college football at Oklahoma and professionally with the Bears from 2006 to 2009 and the Omaha Nighthawks of the United Football League in 2010–11.
Document 9: Derrick Brooks: Derrick Dewan Brooks (born April 18, 1973) is an American former football linebacker who played in the National Football League (NFL) for fourteen seasons. He played college football for Florida State University, and was twice recognized as a consensus All-American. He was drafted by the Tampa Bay Buccaneers in the first round of the 1995 NFL Draft, where he played his entire professional career. An eleven-time Pro Bowl selection and nine-time All-Pro, Brooks was named AP NFL Defensive Player of the Year in 2002, and earned a championship ring with the Buccaneers in Super Bowl XXXVII. Later, he was elected to the 2000s all decade defensive team. He was elected to the Pro Football Hall of Fame in 2014 and is currently a co-owner and president for the Tampa Bay Storm of the Arena Football League.
Document 10: College GameDay (basketball): College GameDay is an ESPN program that covers college basketball and is a spin-off of the successful college football version. Since debuting on January 22, 2005, it airs on ESPN Saturdays in the conference play section of the college basketball season at 11 A.M. ET at a different game site each week. Before 2015, the college basketball version always appeared at the ESPN "Saturday Primetime" game location. Since the 2014-2015 season, the show has appeared at a top game of the week, similar to the college football version. The program has also appeared at the site of the Final Four. The official name of the show is "College GameDay Covered by State Farm".
Document 11: ESPN College Football Thursday Primetime: ESPN College Football Primetime is a live game presentation of Division 1-A college football on ESPN. In the past, the presenting sponsor was Cooper Tires, but since the 2006 season, the current presenting sponsor is Applebee's. The game telecast airs every Thursday night at 7:45pm ET during the college football regular season. The game is preceded by a 30-minute segment with Adnan Virk, Joey Galloway and Jesse Palmer, all of whom also appear on the halftime report. This game telecast is also presented in high definition on ESPNHD.
Document 12: ESPN2 College Football Saturday Primetime: ESPN2 College Football Primetime is a live game presentation of Division 1-A college football on ESPN2.
Document 13: Dewey Selmon: Dewey Willis Selmon (born November 19, 1953) is a former football linebacker. He played collegiate football at University of Oklahoma, forming the defensive line with brothers Lucious and Lee Roy, among others.
Document 14: Marcus Cooper: Marcus Cooper (born February 1, 1990) is an American football cornerback for the Chicago Bears of the National Football League (NFL). He was drafted by the San Francisco 49ers in the seventh round of the 2013 NFL Draft. He played college football for Rutgers University. Cooper has also played for the Kansas City Chiefs and Arizona Cardinals.
Document 15: Glenn Dorsey: Glenn Jamon Dorsey (born August 1, 1985) is an American football nose tackle who is currently a free agent. He played college football for Louisiana State University (LSU), received All-America honors twice, and was recognized as the top college defensive player of the 2007 season. He was drafted by the Kansas City Chiefs with the fifth overall pick in the 2008 NFL draft.
ground_truth: Dusty Dvoracek