Schedule and 2025-26 Results
Regular Season Records: Buffalo 50-23-9=109pts, Boston 45-27-10=100pts
Game 1 on Sunday, 19 April: Boston loses at Buffalo, 4-goals-3
Game 2 on Tuesday, 21 April: Boston wins at Buffalo, 4-goals-2
Game 3 on Thursday, 23 April: Buffalo wins at Boston, 3-goals-1
Game 4 on Sunday, 26 April: Buffalo wins at Boston, 6-goals-1
Game 5 on Tuesday, 28 April: Boston at Buffalo
Game 6* on Friday, 01 May: Buffalo at Boston
Game 7* on Sunday, 03 May: Boston at Buffalo
* if needed

HISTORICAL VICTORY PROBABILITIES: Leading 3-games-1:
Ignoring win order; ignoring site order: The team leading 3-games-1 irrespective of site order (Buffalo) has the following best-of-7 playoff series and games record through the 2025 MLB Finals:
series record, all best-of-7 sports, all rounds: 691-59 (.921)
series record, all best-of-7 sports, Preliminary round: 206-26 (.888)
series record, NHL only, all rounds: 324-32 (.910)
series record, NHL only, Preliminary round: 119-23 (.838)
Game 5 record, all best-of-7 sports, all rounds: 425-325 (.567)
Game 5 record, all best-of-7 sports, Preliminary round: 125-107 (.539)
Game 5 record, NHL only, all rounds: 198-158 (.556)
Game 5 record, NHL only, Preliminary round: 69-73 (.486)
These records are drawn from the applicable 1616 best-of-7 NHL, NBA, and MLB series played through the 2025 MLB Finals. Note in general that the greater the number of games or series fitting a particular situation, the greater the significance of the corresponding winning fraction: For example, 0.800 is far more likely to come closer to the true winning fraction in a given situation when the corresponding win-loss record is 400-100 rather than 4-1.

HISTORICAL VICTORY PROBABILITIES: Leading 3-games-1 @ HHVV:
Ignoring win order; considering site order: The team leading 3-games-1 with site order HHVV (Buffalo) has the following best-of-7 playoff series and games record through the 2025 MLB Finals:
series record, all best-of-7 sports, all rounds: 443-27 (.943)
series record, all best-of-7 sports, Preliminary round: 143-12 (.923)
series record, NHL only, all rounds: 207-17 (.924)
series record, NHL only, Preliminary round: 81-12 (.871)
Game 5 record, all best-of-7 sports, all rounds: 307-163 (.653)
Game 5 record, all best-of-7 sports, Preliminary round: 100-55 (.645)
Game 5 record, NHL only, all rounds: 136-88 (.607)
Game 5 record, NHL only, Preliminary round: 50-43 (.538)
These records are drawn from the applicable 1616 best-of-7 NHL, NBA, and MLB series played through the 2025 MLB Finals. Note in general that the greater the number of games or series fitting a particular situation, the greater the significance of the corresponding winning fraction: For example, 0.800 is far more likely to come closer to the true winning fraction in a given situation when the corresponding win-loss record is 400-100 rather than 4-1.

HISTORICAL VICTORY PROBABILITIES: Leading WLWW:
Considering win order; ignoring site order: The team leading WLWW irrespective of site order (Buffalo) has the following best-of-7 playoff series and games record through the 2025 MLB Finals:
series record, all best-of-7 sports, all rounds: 176-26 (.871)
series record, all best-of-7 sports, Preliminary round: 53-12 (.815)
series record, NHL only, all rounds: 79-13 (.859)
series record, NHL only, Preliminary round: 32-11 (.744)
Game 5 record, all best-of-7 sports, all rounds: 97-105 (.480)
Game 5 record, all best-of-7 sports, Preliminary round: 25-40 (.385)
Game 5 record, NHL only, all rounds: 43-49 (.467)
Game 5 record, NHL only, Preliminary round: 15-28 (.349)
These records are drawn from the applicable 1616 best-of-7 NHL, NBA, and MLB series played through the 2025 MLB Finals. Note in general that the greater the number of games or series fitting a particular situation, the greater the significance of the corresponding winning fraction: For example, 0.800 is far more likely to come closer to the true winning fraction in a given situation when the corresponding win-loss record is 400-100 rather than 4-1.

HISTORICAL VICTORY PROBABILITIES: Leading WLWW @ HHVV:
Considering win order; considering site order: The team leading WLWW with site order HHVV (Buffalo) has the following best-of-7 playoff series and games record through the 2025 MLB Finals:
series record, all best-of-7 sports, all rounds: 85-8 (.914)
series record, all best-of-7 sports, Preliminary round: 28-3 (.903)
series record, NHL only, all rounds: 46-4 (.920)
series record, NHL only, Preliminary round: 21-3 (.875)
Game 5 record, all best-of-7 sports, all rounds: 57-36 (.613)
Game 5 record, all best-of-7 sports, Preliminary round: 16-15 (.516)
Game 5 record, NHL only, all rounds: 28-22 (.560)
Game 5 record, NHL only, Preliminary round: 11-13 (.458)
These records are drawn from the applicable 1616 best-of-7 NHL, NBA, and MLB series played through the 2025 MLB Finals. Note in general that the greater the number of games or series fitting a particular situation, the greater the significance of the corresponding winning fraction: For example, 0.800 is far more likely to come closer to the true winning fraction in a given situation when the corresponding win-loss record is 400-100 rather than 4-1.

SERIES NOTES:

After Game 4: The Buffalo Sabres visited and topped the Boston Bruins 6-goals-1 to take a best-of-7 MLB/NBA/NHL playoff series 1617 lead of 3-games-1. When leading a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Buffalo Sabres have a series record of 7-0 and a Game 5 record of 5-2. When trailing a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Boston Bruins have a series record of 0-26 and a Game 5 record of 8-18. Series 1617 Game 4 is the eighth best-of-7 NHL playoff game in which the road team (Buffalo) tallied four goals while shutting out the home team (Boston) in the first period.

After Game 3: The Buffalo Sabres visited and outscored the Boston Bruins 3-goals-1 to take a best-of-7 MLB/NBA/NHL playoff series 1617 lead of 2-games-1. When leading a best-of-7 MLB/NBA/NHL playoff series 2-games-1, the Buffalo Sabres have a series record of 10-3 and a Game 4 record of 6-7. When trailing a best-of-7 MLB/NBA/NHL playoff series 2-games-1, the Boston Bruins have a series record of 10-28 and a Game 4 record of 19-19. The series 1617 Game 3 victory by the Buffalo Sabres ends a four-Game 3 losing streak by the Sabres in best-of-7 NHL playoff series.

After Game 2: The Boston Bruins visited and bested the Buffalo Sabres 4-goals-2 to tie best-of-7 MLB/NBA/NHL playoff series 1617 at 1-game-all. When tied 1-game-all in a best-of-7 MLB/NBA/NHL playoff series, the Buffalo Sabres have a series record of 5-10 and a Game 3 record of 7-8, while the Boston Bruins have a series record of 28-22 and a Game 3 record of 26-24. The series 1617 Game 2 loss by the Buffalo Sabres is their fourth consecutive Game 2 loss in best-of-7 NHL playoff series; irrespective of previous game outcomes, Buffalo has an active four-Game 3 losing streak. The series 1617 Game 2 win by the Boston Bruins breaks a five-Game 2 losing streak in best-of-7 NHL playoff action by the Bruins.

After Game 1: The Buffalo Sabres hosted and defeated the Boston Bruins 4-goals-3 to take a best-of-7 MLB/NBA/NHL playoff series 1617 lead of 1-game-nil. When leading a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Buffalo Sabres have a series record of 14-11 and a Game 2 record of 11-14. When trailing a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Boston Bruins have a series record of 16-35 and a Game 2 record of 22-29. Irrespective of Game 1 outcome, the Boston Bruins have an active five-Game 2 losing streak in best-of-7 NHL playoff series. The Buffalo Sabres trailed the visiting Boston Bruins in series 1617 Game 1 by two goals as late as 12:01 into the third period but prevailed: In the history of best-of-7 NHL playoff games from 1939 through 2025, inclusive, home teams down two goals as late as 12:01 into the third period had a game record of only 12-426 (.027) - the Buffalo Sabres thus achieve a grade-A (.000 - .099) in-game comeback in series 1617 Game 1.

Pre-series assessment: In the 2025-26 NHL regular season, the Buffalo Sabres finished nine points ahead of the Boston Bruins. From 1939 through the 2025 NHL Finals round, when NHL teams led their best-of-7 playoff series opponents by nine regular-season points, they have posted a best-of-7 playoff series record of 19-22 (.463) in those series against those opponents. Best-of-7 MLB/NBA/NHL playoff series 1617 is the 41st best-of-7 NHL playoff series for the Buffalo Sabres, and the 112th for the Boston Bruins. In best-of-7 NHL playoff series, the Buffalo Sabres have an all-rounds series record of 15-25, a Preliminary-round series record of 7-10, and a Game 1 record of 25-15, while the Boston Bruins have an all-rounds series record of 55-56, a Preliminary-round series record of 17-13, and a Game 1 record of 60-51. Series 1617 is the eighth best-of-7 NHL playoff series meeting between the Buffalo Sabres and the Boston Bruins. The Boston Bruins won five of the previous seven best-of-7 NHL playoff series between these two teams.