Cammy Bell says Rangers will only grow in confidence if the partnership of John Souttar and Robin Propper continues to develop. Bell was speaking after watching Rangers cruise to an impressive away victory at Malmo in the Europa League as they opened their league phase campaign with a 2-0 triumph. It really should have been more for the Light Blues on a day where ruthlessness was lacking, but what they gave was enough to see off a surprisingly underwhelming Malmo side. Nedim Bajrami scored after less than a minute on the clock before Ross McCausland wrapped up the three points with an accurate…