Schedule and 2023-24 Results
Regular Season Records: Boston 64-18, Dallas 50-32
Game 1 on Thursday, 06 June: Dallas loses at Boston, 107-pts-89
Game 2 on Sunday, 09 June: Dallas loses at Boston, 105-pts-98
Game 3 on Wednesday, 12 June: Boston wins at Dallas, 106-pts-99
Game 4 on Friday, 14 June: Boston loses at Dallas, 122-pts-84
Game 5 on Monday, 17 June: Dallas loses at Boston, 106-pts-88

SERIES NOTES:

After Game 5: The Boston Celtics hosted and bested the Dallas Mavericks 106-pts-88 to complete a 4-games-1 best-of-7 MLB/NBA/NHL playoff series 1580 victory. With the series 1580 win, the Boston Celtics improve their best-of-7 NBA playoff series record to 78-32 overall and 18-5 in the Finals round. With the series 1580 loss, the Dallas Mavericks see their best-of-7 NBA playoff series record fall to 17-21 overall and 1-2 in the Finals round. The win order for the victorious Boston Celtics in series 1580 was WWWLW: Series 1580 thus becomes the third NBA Finals-round series, the 47th NBA series (all rounds), and the 108th MLB/NBA/NHL series (all rounds) to follow that win order to completion. With their series 1580 victory, the Boston Celtics win their first NBA championship since 2008. The 78 total best-of-7 NBA playoff series victories by the Boston Celtics are second only to the 80 by the Montreal Canadiens in terms of total best-of-7 MLB/NBA/NHL playoff series victories.

After Game 4: The Dallas Mavericks hosted and defeated the Boston Celtics 122-pts-84 to drop the Boston Celtics best-of-7 MLB/NBA/NHL series 1580 lead to 3-games-1. When leading a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Boston Celtics have a series record of 30-0 and a Game 5 record of 19-11. When trailing a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Dallas Mavericks have a series record of 0-12 and a Game 5 record of 4-8. The series 1580 Game 4 loss by the Boston Celtics breaks a four-Game 4 winning streak (irrespective of Games 1-3 outcomes) in best-of-7 NBA playoff series by the Celtics. The 38-point margin of defeat by the Boston Celtics in series 1580 Game 4 is the largest Game 4 margin of defeat ever experienced by a team leading 3-games-nil in a best-of-7 NBA playoff series (all rounds); the previous record was a 26-point margin of defeat, suffered by the Los Angeles Lakers in Phoenix to the Suns in series 376 Game 4, in the 1980 NBA Quarterfinals (the Lakers would win Game 5 to win that series, en route to the 1980 NBA championship).

After Game 3: The Boston Celtics visited and defeated the Dallas Mavericks 106-pts-99 to take a best-of-7 MLB/NBA/NHL playoff series 1580 lead of 3-games-nil. When leading a best-of-7 MLB/NBA/NHL playoff series 3-games-nil, the Boston Celtics have a series record of 18-0 and a Game 4 record of 9-9 (with an active four-Game 4 winning streak). When trailing a best-of-7 MLB/NBA/NHL playoff series 3-games-nil, the Dallas Mavericks have a series record of 0-5 and a Game 4 record of 4-1. With their series 1580 Game 3 victory, the Boston Celtics become the 406th MLB/NBA/NHL team and the 157th NBA team to take a 3-games-nil series lead in a best-of-7 playoff series, and the Dallas Mavericks will attempt to become the first NBA team to surmount such a deficit for a 4-games-3 comeback series victory. The Boston Celtics are poised to achieve the first NBA Finals sweep by an NBA Eastern Conference champion since the Detroit Pistons achieved the feat in the 1989 NBA Finals against the Los Angeles Lakers.

After Game 2: The Boston Celtics hosted and defeated the Dallas Mavericks 105-pts-98 to take a best-of-7 MLB/NBA/NHL playoff series 1580 lead of 2-games-nil. When leading a best-of-7 MLB/NBA/NHL playoff series 2-games-nil, the Boston Celtics have a series record of 43-1 (with an active six-series winning streak) and a Game 3 record of 18-26. When trailing a best-of-7 MLB/NBA/NHL playoff series 2-games-nil, the Dallas Mavericks have a series record of 2-10 and a Game 3 record of 7-5. The sole best-of-7 NBA playoff series loss by the Boston Celtics in the wake of a 2-games-nil lead occurred in series 1380, to the Cleveland Cavaliers in the 2018 NBA Semifinals. The two best-of-7 NBA playoff series wins by the Dallas Mavericks in the wake of a 2-games-nil deficit occurred in series 946, over the Houston Rockets in the 2005 NBA Preliminary round, and in series 1510, over the Phoenix Suns in the 2022 NBA Quarterfinals.

After Game 1: The Boston Celtics hosted and bested the Dallas Mavericks 107-pts-89 to take a best-of-7 MLB/NBA/NHL playoff series 1580 lead of 1-game-nil. When leading a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Boston Celtics have a series record of 63-8 (with an active four-series winning streak) and a Game 2 record of 44-27. When trailing a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Dallas Mavericks have a series record of 10-16 and a Game 2 record of 14-12. With their series 1580 Game 1 victory, the Boston Celtics now have an active four-Game 1 winning streak in best-of-7 NBA playoff series.

Pre-series assessment: In the 2023-24 NBA regular season, the Boston Celtics finished fourteen games ahead of the Dallas Mavericks. From 1947 through the 2024 NBA Semifinals round, when NBA teams led their best-of-7 playoff series opponents by fourteen regular-season games, they have posted a best-of-7 playoff series record of 19-1 (.950) in those series against those opponents. MLB/NBA/NHL best-of-7 playoff series 1580 is the 110th best-of-7 NBA playoff series for the Boston Celtics, and the 38th for the Dallas Mavericks. In best-of-7 NBA playoff series, the Boston Celtics have an all-rounds series record of 77-32, a Finals-round series record of 17-5, and a Game 1 record of 71-38, while the Dallas Mavericks have an all-rounds series record of 17-20, a Finals-round series record of 1-1, and a Game 1 record of 11-26. Series 1580 is the first best-of-7 NBA playoff series meeting between the Boston Celtics and the Dallas Mavericks. In the history of best-of-7 NBA playoff series, teams leading their opponents by fourteen regular-season games have a 19-1 (.950) record in those series, but the sole loss occurred in the last such series (series 1533, with the favored Milwaukee Bucks losing to the underdog Miami Heat in the 2023 NBA Preliminary round).