Photo by Richard T Gagnon/Getty Images Bergeron’s availability still remains up in the air. Just the facts When: Tonight, 7:30 PM Where: TD Garden – Boston, MA How to follow: NESN, ESPN, CBC, TVAS, SNE, SNO, SNP, 98.5 The Sports Hub Know your enemy Matthew Tkachuk: 1GP, 1G, 0A, 1PTS Alex Lyon: 0-1-0, 3.15 GAA, .897 save percentage Game notes The Boston Bruins are back at it to chase their second win of the postseason as they host the Florida Panthers for Game 2 tonight at the TD Garden! Monday is in the rear-view mirror for this Bruins team that has taken things one game at a time all year. The refs let both teams play for most of the game, only calling two penalties on both sides. More of the same should probably be expected. But the Bruins power play capitalized on their chances and the team’s penalty kill…