BUFFALO — Jack Eichel knew what was coming. Turns out, it was his own revenge.
The Golden Knights forward — and former Sabres captain — was in town to face his old squad Thursday night for the second time since Buffalo traded him to Vegas last November. The last time he was at KeyBank Center, on March 10, Eichel had zero points in Vegas’ 3-1 loss while facing a barrage of consistent, emphatic boos.
In his return Thursday, Eichel went off…