by Bruce CiskieFiled under: Blackhawks, Oilers, Western, NHL Free AgencyWe weren't far into the annual craziness of NHL free agency when the Edmonton Oilers suffered a significant loss.Goalie Dwayne Roloson was a rock for this team over his three-plus seasons in northern Alberta. After practically carrying the Oilers to the 2006 Stanley Cup Finals, he performed well over the new contract he signed that summer in Edmonton. The 39-year-old wanted a two-year deal when he got to free agency t...