Rockford IceHogs
On August 17, 2015, after the conclusion of his entry-level contract, Carruth was unable to secure a further contract with the Blackhawks, however remained within the organization in signing a one-year AHL contract with the Rockford IceHogs. In a successful 2015–16 season split between the Rockford IceHogs and the Indy Fuel, Carruth was signed mid-season to another NHL deal with the Blackhawks on February 28, 2016.