The stage is set for an exciting matchup as the Dallas Mavericks (5th seed in the West) face off against the Boston Celtics (1st seed in the East) in Game 1 of the NBA Finals. Both teams have had impressive runs in the playoffs, with Dallas defeating the Clippers, Thunder, and Timberwolves, and Boston sweeping the Pacers in the Eastern Conference Finals.

The Celtics, led by Jayson Tatum and Jaylen Brown, have been dominant throughout the playoffs, losing only two games. They have a strong defence that has limited opponents' three-point shooting and a balanced offense that can score from multiple positions. On the other hand, the Mavericks have been led by the dynamic duo of Luka Doncic and Kyrie Irving, who have proven to be clutch performers in close games.

One key factor to watch in this series is the matchup between the Celtics' all-NBA defensive guards, Derrick White and Jrue Holiday, and the Mavericks' ball-dominant guards, Doncic and Irving. The Celtics' defence will need to find ways to slow down Doncic and Irving, who are capable of taking over games with their scoring and playmaking abilities.

Another factor to consider is the return of Kristaps Porzingis for the Celtics. Porzingis, who was traded from Dallas to Washington in 2022, will be playing against his former team. His presence on the court could provide a spark for the Celtics' offense and create matchup problems for the Mavericks.

Overall, this series promises to be a thrilling battle between two talented teams with star players on both sides. While the Mavericks have surprised many with their playoff run, I predict that the Celtics will ultimately prevail in six games. The Celtics have the advantage of a more well-rounded team and a stronger defence, which should help them contain the Mavericks' high-powered offense. Additionally, the Celtics' experience in the Finals and their home-court advantage should give them the edge in this series.