The Buffalo Sabres visit Boston with a 2-1 series lead in the most-talked-about Eastern Conference first-round matchup of the bracket. Boston is a minus-115 home favorite with Buffalo at minus-105 in a near-coin-flip line, and the total sits at 6 with both sides priced at standard juice. The Sabres' end-of-the-Tage-Thompson-era playoff run has produced the kind of franchise-pivoting series that the Buffalo fan base has been chasing for over a decade. The team's two wins in the series have been anchored by Thompson's goal-scoring, the structural piece of Don Granato's playoff scheme. Boston's home-court boost in Game 4 is the structural variable that the Bruins need to even the series before the home-court advantage shifts back.
The Bruins' Game 3 loss in Buffalo was a 4-2 final that reflected the structural piece of the series. Boston's offensive scheme under Jim Montgomery has not produced the kind of high-event hockey the team's regular-season profile suggested, and the Sabres' defensive scheme around Owen Power and Rasmus Dahlin has held the Bruins' top-line offense below the regular-season baseline. David Pastrnak has produced points in all three games but the goal-scoring profile has been below his regular-season output. Brad Marchand's wing scoring has been the secondary variable, and his Game 3 minus-2 reflected the kind of even-strength struggle that has defined the series. Linus Ullmark's homecoming behind the Sabres bench against his old team has been the structural storyline of the series, and his Game 4 start in Boston is the kind of game that the Sabres' goalie has historically built his playoff resume on.
The Bruins' lineup includes the kind of veteran-leadership group that has produced playoff success across the back half of the David Krejci era, and the home-court boost in Game 4 will produce the kind of energy the team needs. Charlie McAvoy's defensive minutes have been the team's structural piece, but the bottom-pairing rotation has been stretched against the Sabres' speed. The Sabres' bench rotation includes the kind of bottom-six energy that has produced even-strength scoring across the series, and the team's collective penalty-killing rate at over 90 percent has been the structural piece that has held the Bruins' power play below the regular-season conversion rate. A Sabres Game 4 win produces a 3-1 series lead heading back to Buffalo for Game 5. A Bruins win evens the series at 2-2 and shifts the home-court advantage back to Boston.