Oklahoma linebacker Shane Whitter will enter the NCAA transfer portal after spending four seasons in Norman, Okla. He announced his intentions on social media on Tuesday evening. “With gratitude, I’m entering the transfer portal as a Grad Transfer for my final 2 years of eligibility,” Whitter wrote. “While I’m excited for the journey ahead, Oklahoma will always hold a special place in my heart. Boomer!” Whitter appeared in 39 games over four seasons at Oklahoma. His biggest contributions came as a sophomore in 2021, when he recorded27 tackles, 2.0 tackles for a loss and a fumble recovery. In t…