Erik Karlsson arrives to camp for first day as a SenatorErik Karlsson got to walk into the Ottawa Senators dressing room on Wednesday for the first time as an Ottawa Senator.In fact, if you really wanted to, you could think of this as a Stanley Cup Media Day.The best-known story about the Ottawa Senators in the 2016-17 season — and one of the reasons they had a lousy year — was their star defenceman wearing a San Jose Sharks jersey as he arrived at the team's playoff game at the Canadian Tire Centre in the first round.He couldn't be traded until late September at the earliest, so this was as