THE Boston Celtics secured a record 18th championship as they beat the Dallas Mavericks 106-88 to complete a 4-1 series victory in the NBA Finals....

The Celtics’ Jayson Tatum lifts the the Larry O’Brien Championship Trophy after Boston’s 106-88 win against the Dallas Mavericks in Boston on...

Jayson Tatum has reportedly landed a historic deal. The Boston Celtics player will now have more than one reason to celebrate. Most recently, the team...

Boston's Jayson Tatum is reaping the rewards of a stellar NBA season, with the Celtics reportedly finalising a contract extension worth a record $A471...

By Lisa Marie Mesiona/AdDU Intern FIRST-TIME champ Jayson Tatum signed a contract extension with the Boston Celtics for a historic $314 million over...

OOP! Congrats are in order! Ella Mai and Jayson Tatum appear to be celebrating two momentous occasions: Tatum winning his first NBA Finals with the...

The Boston Celtics are ridin' high after winning their league-leading 18th NBA championship, and former star Celtics hooper turned team broadcaster...

Here's a look at what Al Horford contributed in the Boston Celtics' 18th NBA championship.

In 2008, the Celtics ended a 22-year championship drought led by a Big 3.

The Celtics entered the season vowing to turn recent playoff heartbreaks into happiness.