OU wide receiver Gavin Freeman is entering the transfer portal, he announced on Tuesday. The junior receiver played in 26 games during his first two seasons at Oklahoma, primarily on special teams as a punt returner. As a receiver, he caught 22 passes for 141 yards and one touchdown. As a punt returner, he returned 18 punts for 122 yards and one touchdown — an 82-yarder against Arkansas State in the 2023 season opener. Freeman missed the entire spring with an injury. This might be a surprise portal entry to some, considering Freeman’s role on the team last season. But OU has a deep receiver ro…