The 1998 All-Big 12 Conference football team consists of American football players chosen as All-Big 12 Conference players for the 1998 NCAA Division I-A football season. The conference recognizes two official All-Big 12 selectors: (1) the Big 12 conference coaches selected separate offensive and defensive units and named first-, second- and third-team players (the "Coaches" team); and (2) a panel of sports writers and broadcasters covering the Big 12 also selected offensive and defensive units and named first- and second-team players (the "Media" team).
Offensive selections Quarterbacks Michael Bishop, Kansas State (Coaches-1; Media-1) Major Applewhite, Texas (Media-2) Corby Jones, Missouri (Coaches-2)
Running backs Ricky Williams, Texas (Coaches-1; Media-1) Devin West, Missouri (Coaches-1; Media-1) Ricky Williams, Texas Tech (Coaches-2; Media-2) De'Mond Parker, Oklahoma (Media-2) Darren Davis, Iowa State (Media-2) Nathan Simmons, Oklahoma State (Coaches-2)
Centers Rob Riti, Missouri (Coaches-1; Media-1) Josh Heskew, Nebraska (Coaches-1; Media-1) Jeremy Offutt, Oklahoma State (Coaches-2)
Guards Craig Heimburger, Missouri (Coaches-1; Media-1) Ben Adams, Texas (Coaches-2; Media-1) Adam Davis, Oklahoma State (Coaches-2; Media-2) Curtis Lowery, Texas Tech (Coaches-2; Media-2)
Tackles Ryan Young, Kansas State (Coaches-1; Media-1) Jay Humphrey, Texas (Coaches-1; Media-2) Derrick Fletcher, Baylor (Coaches-2) Ryan Johanningmeier, Colorado (Media-2) Todd Neimeyer, Missouri (Media-2)
Tight ends Sheldon Jackson, Nebraska (Coaches-2; Media-1) Derek Lewis, Texas (Coaches-1; Media-2)
Receivers Darnell McDonald, Kansas State (Coaches-1; Media-1) Wane McGarity, Texas (Coaches-1; Media-1) Donnie Hart, Texas Tech (Coaches-2; Media-2) Darrin Chiaverini, Colorado (Coaches-2; Media-2) Damien Groce, Iowa State (Coaches-2)
Defensive selections Defensive linemen Kelly Gregg, Oklahoma (Coaches-1; Media-1) Darren Howard, Kansas State (Coaches-1; Media-1) Montae Reagor, Texas Tech (Coaches-1; Media-1) Taurus Rucker, Texas Tech (Coaches-1) Justin Wyatt, Missouri (Coaches-1) Chad Kelsay, Nebraska (Coaches-2; Media-2) Mike Rucker, Nebraska (Coaches-2; Media-2) Casey Hampton, Texas (Coaches-2) Aaron Humphrey, Texas (Media-2) Aaron Marshall, Colorado (Coaches-2) Damion McIntosh, Kansas State (Coaches-2)
Linebackers Jeff Kelly, Kansas State (Coaches-1; Media-1) Dat Nguyen, Texas A&M (Coaches-1; Media-1) Mark Simoneau, Kansas State (Coaches-2; Media-1) Warrick Holdman, Texas A&M (Media-1) Kenyatta Wright, Oklahoma State (Coaches-2; Media-2) Pat Brown, Kansas (Media-2) Jay Foreman, Nebraska (Media-2) Sedric Jones, Oklahoma (Media-2) Travis Ochs, Kansas State (Media-2)
Defensive backs Ralph Brown, Nebraska, (Coaches-1; Media-1) Jarrod Cooper, Kansas State (Coaches-1; Media-1) Harold Piersey, Missouri (Coaches-1; Media-1) Lamar Chapman, Kansas State (Coaches-1; Media-2) Rich Coady, Texas A&M (Media-1) Gary Baxter, Baylor (Coaches-2; Media-2) Mike Brown, Nebraska (Coaches-2; Media-2) Wade Perkins, Missouri (Coaches-2; Media-2) Ben Kelly, Colorado (Media-2) Ricky Thompson, Oklahoma State (Media-2) Jason Webster, Texas A&M (Media-2) Mike Woods, Oklahoma (Coaches-2)
Special teams Kickers Martín Gramática, Kansas State (Coaches-1; Media-1) Chris Birkholz, Texas Tech (Media-2) Kris Brown, Nebraska (Coaches-2)
Punters Shane Lechler, Texas A&M (Coaches-1; Media-1) Kyle Atteberry, Baylor (Coaches-2; Media-2)
Return specialists David Allen, Kansas State (Coaches-1; Media-1) Ben Kelly, Colorado (Media-1) Joe Walker, Nebraska (Coaches-2; Media-2)
Key Bold = selected as a first-team player by both the coaches and media panel
Coaches = selected by Big 12 Conference coaches
Media = selected by a media panel
See also 1998 College Football All-America Team
References