Sep 28, 2019; Norman, OK, USA; Oklahoma Sooners head coach Lincoln Riley (right) shakes hands with Texas Tech Red Raiders head coach Matt Wells (left) after the game at Gaylord Family - Oklahoma Memorial Stadium. Mandatory Credit: Kevin Jairaj-USA TODAY Sports
Although they were both once members of the Southwest Conference, the Oklahoma football series with Texas Tech totals just 27 games.
Twenty-four of those games have been as co-inhabitants of the Big 12, which Texas Tech became a member of in 1996 when the Big Eight Conference and Southwest Conference came together to form the Big 12.