Jayson Tatum and Jaylen Brown combine for 61 points to help put Boston just 1 victory from its 18th NBA championship.
Boston's star duo comes up big to help make up for Kristaps Porzingis' absence and put the Celtics 1 win from a title.
With Dallas mounting a huge comeback, Luka Doncic's 6th foul ends up being pivotal as Boston hangs on to grab a 3-0 lead.
Brown and Tatum make their cases with massive performances in leading Boston to 3-0 lead in the NBA Finals presented by YouTube TV.
The 12-time All-NBA guard was a member of the NBA's 50th and 75th anniversary teams and one of the league's most iconic players.
Next: Full Focus: Duo lifts Celtics to brink of another banner
Next: 5 takeaways: Irving's solid effort not enough for Mavs
Next: Turning Point: Luka fouling out stalls Mavs' comeback
Next: Finals MVP Ladder: Efficient Brown ascends to No. 1 spot
Next: NBA icon Jerry West passes away at 86