The Boston Celtics clinched their record-breaking 18th NBA championship by defeating the Dallas Mavericks 106-88 in Game 5 on Sunday, marking their first title since 2008 and crowning Jaylen Brown as Finals MVP.

This historic win not only propels the Celtics past the Los Angeles Lakers for the most championships in NBA history but also highlights several individual milestones. Jayson Tatum's stellar performance and Joe Mazzulla's achievement as the youngest coach since Bill Russell to win a title set the stage for Boston's triumph. Additionally, this victory brought a long-awaited first championship to veteran player Al Horford, making it a memorable night for the team and its fans.

[Jayson Tatum](https://www.cbsnews.com/news/boston-celtics-beat-dallas-mavericks-2024-nba-finals/), who averaged 30 points per game throughout the series, [scored a game-high 32 points](https://www.cbsnews.com/news/boston-celtics-beat-dallas-mavericks-2024-nba-finals/) in the decisive Game 5, showcasing his offensive prowess and leadership on the court. Tatum's ability to consistently perform under pressure was a significant factor in Boston's success.

Joe Mazzulla, who took over as head coach just last year, became the [youngest coach to win an NBA title since Bill Russell](https://www.cbsnews.com/news/boston-celtics-beat-dallas-mavericks-2024-nba-finals/). Mazzulla's strategic acumen and calm demeanor were praised by players and analysts alike. His ability to bring out the best in his roster was evident as the team gelled together flawlessly.

Veteran player Al Horford, who has had an illustrious 15-year career, [finally secured his first NBA championship](https://www.nbcnews.com/news/sports/nba-finals-celtics-defeat-mavericks-league-best-18th-championship-rcna157266). An emotional Horford dedicated the win to his family and fans, expressing his gratitude for their unwavering support. 'This moment means everything to me,' Horford said, tears in his eyes during the post-game interview.

[Jaylen Brown, who was crowned Finals MVP](https://www.cbsnews.com/news/boston-celtics-beat-dallas-mavericks-2024-nba-finals/), played a pivotal role throughout the series, excelling on both ends of the floor. His defense was instrumental in neutralizing the Mavericks' offensive threats, while his offense provided a constant spark for the Celtics. 'We came together as a team and focused on the bigger picture,' Brown stated. 'This is a testament to our hard work and dedication.'

The Celtics' victory was not just about individual brilliance but also their cohesive team play. Contributions from Marcus Smart, Robert Williams III, and Derrick White were crucial in both the offensive and defensive phases. Each player stepped up when needed, demonstrating the depth and versatility of the squad.

On the other hand, the Dallas Mavericks, [led by their star Luka Dončić](https://www.cbsnews.com/news/boston-celtics-beat-dallas-mavericks-2024-nba-finals/), faced a tough challenge against the well-rounded Celtics team. Dončić, who had an outstanding season, was visibly disappointed but remained optimistic. 'This is just the beginning for us,' Dončić noted. 'We'll come back stronger and better prepared next year.'

The Celtics’ championship win reverberated throughout Boston, igniting celebrations across the city. Fans took to the streets, and the victory parade planned for later this week is expected to draw thousands. The sense of pride and history was palpable, with many fans reminiscing about past glories and looking forward to a promising future.