How big is Rohl's Rangers rebuild this summer?

The question is already being asked on social media feeds, down the pub and across the kitchen table among Rangers folk. Up until the split, the answer would have been a fairly unequivocal 'yes'. Rohl inherited a complete mess in October, including a 13-point deficit to Hearts. But, at the beginning of April, Rangers edged to the top of the league on goal difference - with Hearts not playing until the following day. …