Could the Lightning trade a big name to free cap space?

Jun 21, 2021; Tampa, Florida, USA; Tampa Bay Lightning center Tyler Johnson (9) passes the puck as New York Islanders defenseman Noah Dobson (8) defends during the first period in game five of the Stanley Cup Semifinals at Amalie Arena. Mandatory Credit: Kim Klement-USA TODAY Sports

One of the hardest things to do in any sport is keeping a championship team together. Contracts expire, players want to renegotiate their contracts, teams will offer everything but the kitchen sink in a trade to acquire a player with back-to-back Stanley Cup experience, and of course, there’s the dreaded salary cap.