COLUMBUS, Sept. 7, 2011 — TSYS (NYSE: TSS) announced today that it has signed a long-term agreement with Clearent, LLC, to continue their current and well established merchant services processing relationship. Under the agreement, TSYS will provide authorizations and other payment services for Clearent’s merchants using TSYS’ proven and reliable platforms. This enables Clearent to leverage the flexible and efficient technology offered by TSYS and benefit from a wide array of cost-saving and revenue-generating....