Rangers were outstanding against Malmo with Jack Butland having very little to do other than tidy up behind his impressive defence. Philippe Clement, as a former centre-half himself, would have loved the rearguard action and now knows who he can trust as the backbone of his squad. In John Souttar and Robin Propper, Rangers have found a centre-half pairing that the team can be built on. READ MORE: The eight games Rangers play straight after each Europa League league phase clashAlly McCoist impressed as Robin Propper steps up for RangersPutting two good defenders together doesn’t always equate t…