Rangers captain James Tavernier is coming under fire for his performance in the Ibrox club’s latest Old Firm derby defeat against Celtic. The 32-year-old Ibrox skipper is routinely targeted by the Parkhead side and has become a source of ridicule for our rivals as they continue to flex their superiority in the derby clash. When the Rangers starting XI was announced, there was a boldness to the selection which might’ve had some Gers fans hoping the club could lay a glove on Celtic. In the opening stages, Robin Pröpper – who also had a disastrous 90 minutes – flashed a header high across goal wh…