NORMAN, Okla. (AP) — Oklahoma has had a flurry of roster activity in the days following its blowout win over Florida in the Cotton Bowl.

Receiver Charleston Rambo announced plans to enter the transfer portal Monday on Twitter. He was a preseason All-Big 12 receiver this season, but quarterback Spencer Rattler tended to favor other wideouts.

Rambo was best known as a speedster who stretched defenses. In his most successful season, he caught 43 passes for 743 yards and five touchdowns in 2019. He caught 25 passes for 312 yards this season. He leaves having caught 76 passes for 1,180 yards and ni...