NHL: NHL DraftIt’s been a long, active offseason for the NHL.

Despite a slight increase in the salary cap for the 2015-16 season, there has been plenty of activity in the trade and free-agent markets as general managers search for every way to improve their rosters.

With just a few weeks left until teams open training camps, let’s review the offseason activity and determine which clubs improved the most.

Click to see 5 most improved NHL teams entering 2015-16 >>

Photo and thumbnail photo via Steve Mitchell/USA TODAY Sports Images