David Pastrnak of the Boston Bruins. NHLI via Getty Images NHL fans can apply the  Fanatics Sportsbook   promo code NYPOST  for Friday’s Game 6 between the Buffalo Sabres and Boston Bruins. New bettors who sign up using the  Fanatics sportsbook promo code NYPOST can trigger the latest welcome offer from the sportsbook:  bet $20 and get $200 bonus bets instantly . The Bruins staved off elimination in a dramatic overtime victory in Buffalo on Game 5 and can force a Game 7 with a win on Friday night. Fanatics Sportsbook promo code NYPOST for Sabres vs. Bruins New bettors who sign up at  Fanatics Sportsbook with promo code NYPOST  can  get $200 in bonus bets instantly  after placing their first $20 bet with Fanatics Sportsbook. That first wager can be placed on Bruins vs. Sabres or any other market on the sportsbook. Bettors who sign up in Colorado, Kansas, Louisiana, Maryland, Michigan, Pennsylvania, or Washington D.C.…