Editing Big 12 Conference (section)

== Rivalries ==
The Big 12 is known for rivalries (primarily in [[American football|football]]) that mostly predate the conference. The Kansas-Missouri rivalry was the longest running, the longest west of the Mississippi, and the second longest in college football, dating back to the [[Missouri Valley Intercollegiate Athletic Association]] before evolving into the Big Eight. It was played 119 times before Missouri left the Big 12. As of October 2012, the University of Kansas' athletic department had not accepted Missouri's invitations to play inter-conference rivalry games, putting the rivalry on hold. Sports clubs sponsored by the two universities continued to play each other.<ref name="Border Showdown Continues">{{cite web|title=Border Showdown Continues|url=http://mizzoumag.missouri.edu/2012/07/border-showdown-continues/|access-date=2012-10-23}}</ref> Kansas and Missouri renewed the rivalry in men's basketball starting in December 2021, and have announced that they will meet again in football in 2025.

The rivalry between TCU and Baylor, known as the [[Baylor–TCU football rivalry|Revivalry]] is also one of the longest running in college football, with the two universities having played each other — largely as [[Southwest Conference]] members — 120 times since 1899. Following the 2024 game, TCU leads the series 59–54–7.

Some of the football rivalries between Big 12 universities include:
{| class="wikitable sortable"
|-
!Rivalry !!Name !!Trophy !!Games<br />played<sup>†</sup>!!Began!!Record
|-
| [[Arizona–Arizona State football rivalry|Arizona–Arizona State]] || Duel in the Desert || Territorial Cup || 98 || 1899 || Arizona 51–45–1
|-
| [[Baylor–Houston football rivalry|Baylor–Houston]] || || || 30 || 1950 || Baylor 15–14–1
|-
| [[Baylor–TCU football rivalry|Baylor–TCU]] || Bluebonnet Battle / Revivalry || || 120 || 1899 || TCU 59–54–7
|-
| [[Baylor–Texas Tech football rivalry|Baylor–Texas Tech]] || || || 83 || 1929 || Baylor 42–40–1
|-
| [[Holy War (BYU–Utah)|BYU–Utah]] || Holy War || Beehive Boot || 102 || 1896 || Utah 62–36–4
|-
| [[Cincinnati–UCF football rivalry|Cincinnati–UCF]] || || || 10 || 2015 || Tied 5–5
|-
| [[Cincinnati–West Virginia rivalry|Cincinnati–West Virginia]] || || || 22 || 1921 || West Virginia 18–3–1
|-
| [[Colorado–Kansas State football rivalry|Colorado–Kansas State]] || || || 67 || 1912 || Colorado 45–21–1
|-
| [[Rumble in the Rockies|Colorado–Utah]]|| Rumble in the Rockies || || 70 || 1903 || Utah 35–32–3
|-
| [[Houston–Texas Tech football rivalry|Houston–Texas Tech]] || || || 35 || 1951 || Houston 18–16–1
|-
| [[Iowa State–Kansas State football rivalry|Iowa State–Kansas State]] || Farmageddon || || 108 || 1917 || Iowa State 54–50–4
|-
| [[Sunflower Showdown|Kansas–Kansas State]] || Sunflower Showdown || Governor's Cup || 122|| 1902 || Kansas 65–52–5
|-
| [[TCU–Texas Tech football rivalry|TCU–Texas Tech]] || West Texas Championship || The Saddle Trophy || 67 || 1926 || Texas Tech 33–31–3
|}