As for former fourth-overall pick Jesse Puljujarvi, he underwent double hip surgery in late-June and was not issued a qualifying offer from the Carolina Hurricanes, making him an unrestricted free agent. His timeline for return is unclear, but back in June it was noted that he's facing a lengthy recovery period.
Six-time 20+ goal scorer Tomas Tatar is also available. Tatar has been linked to the Pittsburgh Penguins in recent weeks as the team looks to add some scoring depth to their lineup. If Tatar does go to the Penguins, it could potentially be on a PTO, but a full contract can't be ruled out either, although the Penguins don't have any cap space remaining, which would make things difficult for General Manager Kyle Dubas.
Finally, three-time Stanley Cup champion Phil Kessel, who will turn 36 on October 2nd. Kessel's ironman streak remains intact, for now, but it doesn't appear that the Madison, Wisconsin native has many options out there at this moment. He went from being in the lineup every night for the Golden Knights to the press box in the playoffs, only appearing in four games during their run to their first Stanley Cup in franchise history.