When Will The San Jose Sharks Start To Be Aggressive In Free Agency?

As the San Jose Sharks look to start to contend, when will they be aggressive in adding free agents to fill out the roster around their core pieces? Start by looking at the Sharks cap situation heading into next season and why trades might be the best way to add talent to the roster. Next, where should the Sharks aggressively add talent, and how did the Tampa Bay Lightning and Colorado Avalanche build their defensive core on the fly-through trades? Finally, when should the Sharks start adding these pieces, and why might it be sooner than expected?