Rangers captain James Tavernier does believe that some fan frustration went ‘too far’ after the humbling Old Firm defeat to Celtic. The Light Blues were simply outclassed by their arch-rivals at Celtic Park at the beginning of September and left a huge dent in their ambition to challenge for the Scottish Premiership title. Psychologically it was a massive blow for Rangers who, as a result of the loss and a draw to Hearts, sit in third place and five points behind Celtic with five games played. Rangers fans were raging with the derby defeat and many turned up outside Ibrox hours after the game …