The 39-year-old Streit will be an unrestricted free-agent this summer.
It's no secret the Lightning has been trying to move center Valtteri Filppula - and his $5 million cap hit for next season.
They're also pending UFAs, leaving the Flyers to hope they get the option to send one or a few of those guys out to garner draft pick assets and shave some fat off their salary cap.
The biggest deal involved center Valtteri Filppula who was dealt to the Philadelphia Flyers in exchange for defenseman Mark Streit.
When the smoke had cleared, Tampa Bay Lightning general manager Steve Yzerman wouldn't say his team was in better shape for the future. He has a no-trade clause with a list of 16 clubs he was willing to be dealt to. This was Streit's fourth season with Philadelphia. The Lightning have two options leading up to the expansion draft - to protect eight skaters and a goaltender, or alternatively, opt to protect seven forwards, three defensemen and a goalie.
The Tampa Bay Lightning then flipped Streit to the Pittsburgh Penguins for a 4th round pick in the 2018 draft.
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Both the Flyers and Lightning are battling for a playoff spot in the Eastern Conference, as they are four and five points out respectively.
This deal comes at the same time that it was revealed that the Penguins also acquired depth defenseman Frank Corrado - so combined with the addition of Ron Hainsey earlier in February from the Carolina Hurricanes, the team's holes should be plugged for now.
With NHL trade deadline day upon them, the Flyers weren't expected to play much of a role in any of the typical rumors running around the hockey airwaves.
Apparently that team is the Flyers and the move suggests that Steve Mason is not in the Flyers' plans moving forward.
Bellemare 31, has agreed to a two-year, 2.9 million dollar deal, averaging 1.45 Million per season.