Frustrated Barry Ferguson wants Rangers to push the boat out in the summer to give Steven Gerrard a fighting chance of delivering silverware.The Ibrox boss cut a dejected figure in the wake of his side's shock Scottish Cup exit against Hearts and the 39-year-old admitted he was going to take some time to reflect on his own future after the crushing defeat.But columnist Ferguson insists a cash injection is needed and the former skipper reckons a host of the current side aren't up to the task.And the Rangers legend is certain Gerrard will know exactly what he has to do in his quest to halt Celtic 's domestic dominance.Ferguson , speaking to PLZ Soccer , said: "When you play at a big club like Rangers, you need serious mental strength."Every
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