Before the transfer window existed, if Rangers lost any players through injury, they would just go out and buy a replacement. Times have changed and the purse strings are considerably tighter as Philippe Clement looks to rebuild a squad that needs more work than one window can fix. The manager has vented his frustration at the number of valuable players who have left Rangers without bringing in any funds but his attempts to integrate more Auchenhowie graduates should be applauded. READ MORE: Rangers considering cutting Castore ties as David Edgar reveals merchandise deal latestRobbie Fraser lo…