Complex sentence: Sanguinetti and the Carolina Hurricanes were not able to agree to contract terms for the 2013--14 season as he signed as a free agent in the Russian KHL on a two-year contract with Atlant Moscow Oblast on July 11,2013.
Split into simpler sentences: Sanguinetti and the Carolina Hurricanes were not able to agree to contract terms for the 2013-2014 season. Sanguinetti signed as a free agent in the Russian KHL on a two-year contract with Atlant Moscow Oblast on July 11,2013.