The unsecured creditors committee in the Saks Global bankruptcy is still in the information-gathering stage — and looking to former chief executive officer Marc Metrick for documents related to the company, its relationship with vendors, the $2.7 billion deal to buy Neiman Marcus Group and more.  Metrick, a Saks Fifth Avenue veteran, became the public face of the retailer as it raced to integrate Neiman’s and struggled to stay afloat. He was on hand for many of the key moments of the retailer’s fall and creditors want the details.  Earlier this month, the creditors issued Metrick a demand for documents under bankruptcy Rule 2004.  You May Also Like “The committee has asked that Marc Metrick … provide documents in response to the committee’s diligence requests,” the creditors said in a court filing. “Mr.…