In a transfer window, big-money deals tend to have ripple affects. One player makes a high-profile switch to one of Europe’s major clubs, and the money then filters down the levels, the selling club needing a replacement and so on. So when Portuguese giants Benfica confirmed the identity of their new £18 million on Monday, was that the first domino to fall in Sam Lammers’ likely departure from Rangers? And if Lammers does indeed end up stepping into the shoes of a man who shared the Eredivisie Golden Boot last season while netting 33 goals in all competitions, well, lets just say those rather …