TUSCALOOSA, Ala. – Alabama left tackle Kadyn Proctor did not start the season opener. Proctor suffered an injury in pregame warmups and went to the locker room before the rest of his teammates. He emerged in street clothes with his left arm in a sling. A specific reason was not given before the Crimson Tide’s season opener against Western Kentucky. Getting the start in place of Proctor was Elijah Pritchett, who was set to rotate at right tackle with Wilkin Formby after a preseason-long competition. Pritchett actually filled in for Proctor in the spring when the latter briefly transferred to Io…