Rangers were neat in possession and dominated most of the play but didn’t really carve Hertha Berlin open with Todd Cantwell in particular not having much joy. The 25-year old has seen his main competition for the number ten role depart in Sam Lammers but Gers boss Philippe Clement needs more from such a key position. Yet to rediscover the form of last campaign, Rangers have work to do with Todd Cantwell to get him back to his best with Saturday’s derby proving exactly what the problem is. Rangers need to solve problem with Todd CantwellCantwell has been at Ibrox for a year now which is long e…