It was a tough night in Tuscaloosa today as Kalen DeBoer's Alabama Crimson Tide were stunned in a 23-21 loss to Oklahoma. While Alabama still firmly control their College Football Playoff destiny, the margin for error has now disappeared.

8. Oklahoma (11): The title of "best two-loss team" gets a new contender with Oklahoma's road win against Alabama. The Sooners have wins against the teams ranked No. 4, No. 18 and No. 21 in last week's AP Top 25 poll. Ever since laying an egg offensively in the Red River Rivalry against Texas, this team is 3-1 with the only loss coming to Ole Miss.

In the minutes following Alabama football’s 23-21 loss to Oklahoma, UA staffers roped off the Crimson Tide Logo at the 50-yard line inside Bryant-Denny Stadium. A few moments later, a group of Oklahoma players jumped the rope and looked to take a picture.

Alabama fell to Oklahoma, Georgia pulled away from Texas, and so much more that will give the AP Top 25 college football rankings a major facelift.

Ty Simpson and the No. 4 Alabama Crimson Tide were upset by the No. 11 Oklahoma Sooners 23-21 on Saturday, setting up major movement in the College Football Playoff rankings.

Opposing defenses have made a recent habit of stripping Alabama football QB Ty Simpson. Here's what UA coach Kalen DeBoer had to say about it.

Quarterback John Mateer managed 161 total yards — 138 passing — and scored on the ground to lead Oklahoma’s offense. Simpson threw for 326 yards, with a touchdown to tight end Josh Cuevas and an interception. Daniel Hill scored twice for the Tide.

Full transcript and video of Oklahoma head coach Brent Venables' postgame press conference following the Sooners' 23-21 win over the Crimson Tide.