This was a game the Flyers had to win. Facing a team at the bottom of the Eastern Conference, these are the types of games a group looking to make the postseason should take the two points from. Instead, it was a couple of former Flyers putting in the work and helping the Ottawa Senators skate away with a 5-3 win Sunday at the Wells Fargo Center. Vladimir Tarasenko notched the game-winner with 4 minutes, 53 seconds left on a two-on-one after some sustained pressure by the Flyers. The game started a bit lopsided with the Senators coming out strong and the Flyers needing to weather the storm. Bu…