On Saturday, the sixth-ranked Oklahoma Sooners lost 23-6 to the Texas Longhorns in the Red River Rivalry . For the third time in four years under head coach Brent Venables , Oklahoma failed to score a touchdown against its biggest rival. The Sooners are now 1-3 against Texas under Venables.

This wasn't just a bad day. The loss exposed serious problems with the team. Oklahoma entered the game 5-0 but couldn't handle the pressure when it mattered most.

Three main issues caused this embarrassing defeat. Each one could have been avoided with better decision-making.

Oklahoma's John Mateer wasn't ready to play

Oklahoma started quarterback John Mateer just 17 days after he had surgery on his throwing hand. This decision backfired badly. Mateer completed around 53% of his passes for 202 ya

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