On December 22, 2014, during the 2014–2015 season, Cronin, 43, was diagnosed with an unruptured aneurysm detected when he underwent medical testing for unexplained headaches. On January 2, 2015, it was announced that, although doctors expected the condition to heal with rest and medication, Cronin would not coach the remainder of the season. However, Cronin said he felt great and that he would be able to continue to oversee the program and be involved in recruiting. On March 30, 2015 Cronin announced he had a clean bill of health and was cleared to return to full-time coaching duties following his diagnosis of an arterial dissection.